x=3
Use the basic rules of algebra.
4x+2=14
Minus 2 on both sides.
4x=12
Divide by 4 on both sides.
x=3
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4x + 2 + 2x - 2x = 14 4x = 14 - 2 4x = 12 x = 3
-14 = 3x + (x-2)-14 = 3x + x -2-14 = 4x -2-12 = 4x-3 = x
when x = 2
2
6x + 14 = 20 + 4x ------ Combine like terms (subtract 4x and 14 from both sides). 2x = 6 --------------------- Divide by 2. x = 3