4x + 2 = 2x + 5
Subtract through by 2x
2x + 2 = 5
Subtract through by 2
2x = 3
Divide through by 2
x = 1.5 ■
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2x + 2 = 4x -1 2x = 3 x = 1.5
2y = 4x + 4y = 2x + 2
-2x = -4x + 24 -2x + 4x = 24 2x = 24 x = 24/2 x = 12
It is a mathematical equation, usually written like this: 5x - 7 + 2x = 3x - 2 + 4x
2x - 4x + 3 = 0 -2x + 3 = 0 2x = 3 x = 3/2 = 1.5