9+7x-3x=-7

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


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

Combine like terms: 7x + -3x = 4x
9 + 4x = -7

Solving
9 + 4x = -7

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 4x = -7 + -9

Combine like terms: 9 + -9 = 0
0 + 4x = -7 + -9
4x = -7 + -9

Combine like terms: -7 + -9 = -16
4x = -16

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

Simplifying
x = -4

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