2x + y = 5 2y + x = 4 This is SIMULTANEOUS Equations. To solve , arbitrarily select a letter to eliminate, In this case 'x' To do this the coefficients of 'x' must be the same , but of opposite sign. Hence multiply the bottom equation by '-2' Hence 2x + y = 5 -2x - 4y = =8 Add -3y = -3 Divide both sides by '-1' 3y = 3 y = 1 When y= 1 Substitute back in to either eq'n 2x + 1 = 5 Subtract '1' from both sides 2x = 4 x = 2 Hence the answer is ( x,y) = ( 2,1)
Eq 1: + y= 5 Eq 2: x = y + 1 substitute y + 1 for x in equqtion 1 y+1 + y = 5 2y + 1 = 5 2 y = 4 y = 2 substitute 2 for y in eq 2 x = 2 + 1 x = 3
eq. 1 is x-2y=0 which means x=2y eq. 2 is 4x-3y=15 subst. x=2y in eq. 2 4(2y)-3y=15 8y-3y=15 5y=15 y=3 subst. y=3 in eq. 1 we get x=2(3) x=6 Ans: x=6 and y=3 is the required solution. Thank you.
The standard form eqaution for a line is y = mx + b where m = slope and b is y intercept ( value of y when x = 0) if x = 4 and y = -2 and m = 2 then y = mx + b (eq 1) -2 = 2 (4) + b -2 = 8 + b -10 = b substitute into eq (1): y = 2x-10
The people at www.drivetrain.com may be able to help you figure it out. Hope this helps.
3x + 2y = 4 (Eq 1); 4x + 3y = 7 (Eq 2) Eliminate x Eq 1 x 4 = 12x + 8y = 16 (Eq 3) Eq 2 x 3 = 12x + 9y = 21 (Eq 4) Subtract Eq 3 from Eq 4 y = 5 so x = (4 - 10)/3 = -6/3 ie -2 Check Eq 2: (4 x -2) + (3 x 5) = -8 + 15 = 7 QED
see if 4+4=3 then value of 3=4+4 (eq 1) now we need to find out 9+9=? we can write 9+9 as 3+3+3+3+3+3 (eq 2) now by substituting the value of 3 from eq 1 in eq 2 we will get (4+4)+(4+4)+(4+4)+(4+4)+(4+4)+(4+4)=48 so 9+9=48
4x + 3y = -5 (Eq 1); 3x + 5y = -12 (Eq 2) Eliminate x Eq 1 times 3: 12x + 9y = -15 Eq 2 times 4: 12x +20y = -48 Subtract Eq 1 from Eq 2 11y = -48-(-15) ie 11y = -33 y = -3 Substitute in Eq 1: 4x - 9 = -5, ie 4x = 4 so x = 1 Check in Eq 2: (3 x 1) + (5 x -3) = 3 - 15 = -12. QED
Assuming the equations are: x + y. + z = 10 1 2x + 4y + 2z =32 2 -x +8y - 3z = 42 3 Multiply eq 3 by 2 and add to eq 2: 20y -4z = 116 4 Multiply eq 1 by 2 and subtract it from eq 2: 2y = 12; then y = 6 Substitute in eq 4: Then -4z = 116 - 120 = -4; z = 1 Substitute in eq 1; then X = 10 - 6 - 1 = 3 Answer: X = 3 Y = 6 Z = 1
16x - 2y = 74 (Eq 1) 2x - 2y = 4 (Eq 2) from Eq 2, 2y = 2x - 4 Substitute in Eq 1 16x - (2x - 4) =74 ie 16x - 2x + 4 = 74 ie 14x = 70 ie x = 5 2y = 2x - 4 = 10 - 4 = 6 y =3 Check 16 x 5 - 2 x 3 = 80 - 6 = 84 QED
No that would be a 2 channel amp. 1 speaker per channel. 2 speakers= 2 channels 4 speakers= 4 channels
a channel refers to the speakers or subs. for example a 2 channel amp can power 2 subs or speakers. a 4 channel will power 4.
4x + 3y = -5 (Eq 1) 3x + 5y = -12 (Eq 2) Multiply the first equation by 3 and the second by 4: 12x + 9y = -15 (Eq 3) 12x + 20y = -48 (Eq 4) subtract Eq 3 from Eq 4 gives 11y = -33 so y = -3 and x = (15 + 12)/3 =1 Check: (4 x 1) + (3 x -3) = 4 - 9 = -5 and (3 x 1) + (5 x -3) = 3 - 15 = -12 QED Subtract
Yes you can bridge this amplifier to a 2 channel at 4 ohm per channel for 200 watts out of each channel.
2x + y = 5 2y + x = 4 This is SIMULTANEOUS Equations. To solve , arbitrarily select a letter to eliminate, In this case 'x' To do this the coefficients of 'x' must be the same , but of opposite sign. Hence multiply the bottom equation by '-2' Hence 2x + y = 5 -2x - 4y = =8 Add -3y = -3 Divide both sides by '-1' 3y = 3 y = 1 When y= 1 Substitute back in to either eq'n 2x + 1 = 5 Subtract '1' from both sides 2x = 4 x = 2 Hence the answer is ( x,y) = ( 2,1)
Eq 1: + y= 5 Eq 2: x = y + 1 substitute y + 1 for x in equqtion 1 y+1 + y = 5 2y + 1 = 5 2 y = 4 y = 2 substitute 2 for y in eq 2 x = 2 + 1 x = 3
eq. 1 is x-2y=0 which means x=2y eq. 2 is 4x-3y=15 subst. x=2y in eq. 2 4(2y)-3y=15 8y-3y=15 5y=15 y=3 subst. y=3 in eq. 1 we get x=2(3) x=6 Ans: x=6 and y=3 is the required solution. Thank you.