9X+X+12+X=89

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Solution for 9X+X+12+X=89 equation:


Simplifying
9X + X + 12 + X = 89

Reorder the terms:
12 + 9X + X + X = 89

Combine like terms: 9X + X = 10X
12 + 10X + X = 89

Combine like terms: 10X + X = 11X
12 + 11X = 89

Solving
12 + 11X = 89

Solving for variable 'X'.

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

Add '-12' to each side of the equation.
12 + -12 + 11X = 89 + -12

Combine like terms: 12 + -12 = 0
0 + 11X = 89 + -12
11X = 89 + -12

Combine like terms: 89 + -12 = 77
11X = 77

Divide each side by '11'.
X = 7

Simplifying
X = 7

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