7x+9-x=4+5x+8

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Solution for 7x+9-x=4+5x+8 equation:


Simplifying
7x + 9 + -1x = 4 + 5x + 8

Reorder the terms:
9 + 7x + -1x = 4 + 5x + 8

Combine like terms: 7x + -1x = 6x
9 + 6x = 4 + 5x + 8

Reorder the terms:
9 + 6x = 4 + 8 + 5x

Combine like terms: 4 + 8 = 12
9 + 6x = 12 + 5x

Solving
9 + 6x = 12 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
9 + 6x + -5x = 12 + 5x + -5x

Combine like terms: 6x + -5x = 1x
9 + 1x = 12 + 5x + -5x

Combine like terms: 5x + -5x = 0
9 + 1x = 12 + 0
9 + 1x = 12

Add '-9' to each side of the equation.
9 + -9 + 1x = 12 + -9

Combine like terms: 9 + -9 = 0
0 + 1x = 12 + -9
1x = 12 + -9

Combine like terms: 12 + -9 = 3
1x = 3

Divide each side by '1'.
x = 3

Simplifying
x = 3

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