7x+77=2x+122

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Solution for 7x+77=2x+122 equation:


Simplifying
7x + 77 = 2x + 122

Reorder the terms:
77 + 7x = 2x + 122

Reorder the terms:
77 + 7x = 122 + 2x

Solving
77 + 7x = 122 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
77 + 7x + -2x = 122 + 2x + -2x

Combine like terms: 7x + -2x = 5x
77 + 5x = 122 + 2x + -2x

Combine like terms: 2x + -2x = 0
77 + 5x = 122 + 0
77 + 5x = 122

Add '-77' to each side of the equation.
77 + -77 + 5x = 122 + -77

Combine like terms: 77 + -77 = 0
0 + 5x = 122 + -77
5x = 122 + -77

Combine like terms: 122 + -77 = 45
5x = 45

Divide each side by '5'.
x = 9

Simplifying
x = 9

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