4x-7=12+x

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Solution for 4x-7=12+x equation:


Simplifying
4x + -7 = 12 + x

Reorder the terms:
-7 + 4x = 12 + x

Solving
-7 + 4x = 12 + x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-1x' to each side of the equation.
-7 + 4x + -1x = 12 + x + -1x

Combine like terms: 4x + -1x = 3x
-7 + 3x = 12 + x + -1x

Combine like terms: x + -1x = 0
-7 + 3x = 12 + 0
-7 + 3x = 12

Add '7' to each side of the equation.
-7 + 7 + 3x = 12 + 7

Combine like terms: -7 + 7 = 0
0 + 3x = 12 + 7
3x = 12 + 7

Combine like terms: 12 + 7 = 19
3x = 19

Divide each side by '3'.
x = 6.333333333

Simplifying
x = 6.333333333

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