3x+77=8x+7

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Solution for 3x+77=8x+7 equation:


Simplifying
3x + 77 = 8x + 7

Reorder the terms:
77 + 3x = 8x + 7

Reorder the terms:
77 + 3x = 7 + 8x

Solving
77 + 3x = 7 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
77 + 3x + -8x = 7 + 8x + -8x

Combine like terms: 3x + -8x = -5x
77 + -5x = 7 + 8x + -8x

Combine like terms: 8x + -8x = 0
77 + -5x = 7 + 0
77 + -5x = 7

Add '-77' to each side of the equation.
77 + -77 + -5x = 7 + -77

Combine like terms: 77 + -77 = 0
0 + -5x = 7 + -77
-5x = 7 + -77

Combine like terms: 7 + -77 = -70
-5x = -70

Divide each side by '-5'.
x = 14

Simplifying
x = 14

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