7X+2X+10=91

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Solution for 7X+2X+10=91 equation:


Simplifying
7X + 2X + 10 = 91

Reorder the terms:
10 + 7X + 2X = 91

Combine like terms: 7X + 2X = 9X
10 + 9X = 91

Solving
10 + 9X = 91

Solving for variable 'X'.

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

Add '-10' to each side of the equation.
10 + -10 + 9X = 91 + -10

Combine like terms: 10 + -10 = 0
0 + 9X = 91 + -10
9X = 91 + -10

Combine like terms: 91 + -10 = 81
9X = 81

Divide each side by '9'.
X = 9

Simplifying
X = 9

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