7x+9-7-3x=-8

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Solution for 7x+9-7-3x=-8 equation:


Simplifying
7x + 9 + -7 + -3x = -8

Reorder the terms:
9 + -7 + 7x + -3x = -8

Combine like terms: 9 + -7 = 2
2 + 7x + -3x = -8

Combine like terms: 7x + -3x = 4x
2 + 4x = -8

Solving
2 + 4x = -8

Solving for variable 'x'.

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

Add '-2' to each side of the equation.
2 + -2 + 4x = -8 + -2

Combine like terms: 2 + -2 = 0
0 + 4x = -8 + -2
4x = -8 + -2

Combine like terms: -8 + -2 = -10
4x = -10

Divide each side by '4'.
x = -2.5

Simplifying
x = -2.5

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