7x+1+5x=3x-8

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Solution for 7x+1+5x=3x-8 equation:


Simplifying
7x + 1 + 5x = 3x + -8

Reorder the terms:
1 + 7x + 5x = 3x + -8

Combine like terms: 7x + 5x = 12x
1 + 12x = 3x + -8

Reorder the terms:
1 + 12x = -8 + 3x

Solving
1 + 12x = -8 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
1 + 12x + -3x = -8 + 3x + -3x

Combine like terms: 12x + -3x = 9x
1 + 9x = -8 + 3x + -3x

Combine like terms: 3x + -3x = 0
1 + 9x = -8 + 0
1 + 9x = -8

Add '-1' to each side of the equation.
1 + -1 + 9x = -8 + -1

Combine like terms: 1 + -1 = 0
0 + 9x = -8 + -1
9x = -8 + -1

Combine like terms: -8 + -1 = -9
9x = -9

Divide each side by '9'.
x = -1

Simplifying
x = -1

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