3x+8=-72-7x

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Solution for 3x+8=-72-7x equation:


Simplifying
3x + 8 = -72 + -7x

Reorder the terms:
8 + 3x = -72 + -7x

Solving
8 + 3x = -72 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
8 + 3x + 7x = -72 + -7x + 7x

Combine like terms: 3x + 7x = 10x
8 + 10x = -72 + -7x + 7x

Combine like terms: -7x + 7x = 0
8 + 10x = -72 + 0
8 + 10x = -72

Add '-8' to each side of the equation.
8 + -8 + 10x = -72 + -8

Combine like terms: 8 + -8 = 0
0 + 10x = -72 + -8
10x = -72 + -8

Combine like terms: -72 + -8 = -80
10x = -80

Divide each side by '10'.
x = -8

Simplifying
x = -8

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