77+7x=81+6x

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Solution for 77+7x=81+6x equation:


Simplifying
77 + 7x = 81 + 6x

Solving
77 + 7x = 81 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
77 + 7x + -6x = 81 + 6x + -6x

Combine like terms: 7x + -6x = 1x
77 + 1x = 81 + 6x + -6x

Combine like terms: 6x + -6x = 0
77 + 1x = 81 + 0
77 + 1x = 81

Add '-77' to each side of the equation.
77 + -77 + 1x = 81 + -77

Combine like terms: 77 + -77 = 0
0 + 1x = 81 + -77
1x = 81 + -77

Combine like terms: 81 + -77 = 4
1x = 4

Divide each side by '1'.
x = 4

Simplifying
x = 4

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