2y + 4 = 3y
Subtract 2y from both sides:
4 = y
whew
many solutions
4y+2 = 2y+6 4y-2y = 6-2 2y = 4 y = 2
3x+2y=6 2y=-3x+6 y=-1.5x+3
Subtract by 7x and divide by 2.
Can you help with this equation? Thanks. Solve for x and y and z for the following. x plus y plus z equals 9 x plus 2y plus 3z equals 23 x plus 5y plus -3z equals -7
2y = 4x + 4y = 2x + 2
you can not solve this equation
many solutions
4y+2 = 2y+6 4y-2y = 6-2 2y = 4 y = 2
3x + 2y = 12 ie 2y = 12 - 3x so y = 6 - 3x/2
3x+2y=6 2y=-3x+6 y=-1.5x+3
Subtract by 7x and divide by 2.
6x+2y=4 gives y=2-(1/3)x
80 = 3y + 2y + 4 + 1 Collect 'like terms'. 80 = 5y + 5 Substract '5' from noth sides 75 = 5y 5y = 75 Divide both sides by '5' y = 15 The answer!!!!!
Can you help with this equation? Thanks. Solve for x and y and z for the following. x plus y plus z equals 9 x plus 2y plus 3z equals 23 x plus 5y plus -3z equals -7
You cannot solve one linear equation in two unknown variables.
80 = 3y + 2y + 4 + 1 75 = 5y 15 = y y = 15