-129+9x=143-7x

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Solution for -129+9x=143-7x equation:


Simplifying
-129 + 9x = 143 + -7x

Solving
-129 + 9x = 143 + -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.
-129 + 9x + 7x = 143 + -7x + 7x

Combine like terms: 9x + 7x = 16x
-129 + 16x = 143 + -7x + 7x

Combine like terms: -7x + 7x = 0
-129 + 16x = 143 + 0
-129 + 16x = 143

Add '129' to each side of the equation.
-129 + 129 + 16x = 143 + 129

Combine like terms: -129 + 129 = 0
0 + 16x = 143 + 129
16x = 143 + 129

Combine like terms: 143 + 129 = 272
16x = 272

Divide each side by '16'.
x = 17

Simplifying
x = 17

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