3x+7=89-9x

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Solution for 3x+7=89-9x equation:


Simplifying
3x + 7 = 89 + -9x

Reorder the terms:
7 + 3x = 89 + -9x

Solving
7 + 3x = 89 + -9x

Solving for variable 'x'.

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

Add '9x' to each side of the equation.
7 + 3x + 9x = 89 + -9x + 9x

Combine like terms: 3x + 9x = 12x
7 + 12x = 89 + -9x + 9x

Combine like terms: -9x + 9x = 0
7 + 12x = 89 + 0
7 + 12x = 89

Add '-7' to each side of the equation.
7 + -7 + 12x = 89 + -7

Combine like terms: 7 + -7 = 0
0 + 12x = 89 + -7
12x = 89 + -7

Combine like terms: 89 + -7 = 82
12x = 82

Divide each side by '12'.
x = 6.833333333

Simplifying
x = 6.833333333

 

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