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X plus 2y equals 8 -2x - 2y equals -10?
2y = -10y = -58 - 2x - 2(-5) = -108 - 2x + 10 = -10-2x = -10 - 182x = 28x = 14Check:2y = 8 - 2x - 2y = -102(-5) = 8 - 2(14) - 2(-5) = -10-10 = 8 - 28 + 10 = -10-10 = -20 + 10 = -10-10 = -10 = -10
Does this system of equations have one solution no solutions or an infinite number of solutions 2x plus y equals 5 and 2y plus x equals 4?
One solution 2x+y =5 x+2y=4 multiply 1st eq by 2 rhen subtract: 4x+2y = 10 x + 2y = 4 3x = 6 x = 2 plug x into any of the above two equations and solve y = 1
What is the solution to the two equations 2x - y equals 16 and -x plus 2y equals -8?
y = 0 and x = 8.
Simultaneous equation 2x-2y equals 10?
Simultaneous suggests at least two equations.
Use the substitution method to solve the system of equations Enter your answer as an ordered pair 16x - 2y equals 74 2x - 2y equals 4?
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
X plus 2y equals 10 and 4y - 20 equals 2x?
The solution is:- x = 0 and y = 5
X plus 2y equals 8 -2x - 2y equals -10?
2y = -10y = -58 - 2x - 2(-5) = -108 - 2x + 10 = -10-2x = -10 - 182x = 28x = 14Check:2y = 8 - 2x - 2y = -102(-5) = 8 - 2(14) - 2(-5) = -10-10 = 8 - 28 + 10 = -10-10 = -20 + 10 = -10-10 = -10 = -10
How do you convert 2x equals 10-2y?
Divide both sides by 2: 2x = 10 - 2y __ __ ___ 2 2 2 x = 5 - y
What kind of solution is 2x-y equals 0 and 4x-2y equals 0?
The two equations are linear.
What is 4x plus 2y equals 20 in slope-inercept form?
4x + 2y = 20 2y = -4x + 20 y = -2x + 10.......but you may also write it as y = 10 - 2x.
2x plus 4y equals 28 x - 2y equals 10?
(12, 1)
How many solutions does 2x plus y equals 5 and 2y plus x equals 4 have?
1 solution
If 2x plus y equals 5 what is the value of 4x?
10-2y
Can you tell me how to graph -2x equals 2y plus 5?
-2x=2y+5 +2x -2y -2y=2x+5 /-2 y=-1/1+2.5
What is the slope-intercept form of 4x-2y equals 10?
4x-2y = 10 -2y = -4x+10 y = 2x-5 which is now in slope-intercept form
3x plus 2y equals 10 2x plus 5y equals 3?
(4, -1)
What is the solution of 3x plus 2y equals 13 and 2x plus 3y equals 12?
x = 3 and y = 2
