102+9x=122+7x

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Solution for 102+9x=122+7x equation:


Simplifying
102 + 9x = 122 + 7x

Solving
102 + 9x = 122 + 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.
102 + 9x + -7x = 122 + 7x + -7x

Combine like terms: 9x + -7x = 2x
102 + 2x = 122 + 7x + -7x

Combine like terms: 7x + -7x = 0
102 + 2x = 122 + 0
102 + 2x = 122

Add '-102' to each side of the equation.
102 + -102 + 2x = 122 + -102

Combine like terms: 102 + -102 = 0
0 + 2x = 122 + -102
2x = 122 + -102

Combine like terms: 122 + -102 = 20
2x = 20

Divide each side by '2'.
x = 10

Simplifying
x = 10

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