2y + 4 = 3y
Subtract 2y from both sides:
4 = y
whew
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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