8-7x=82-21

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Solution for 8-7x=82-21 equation:


Simplifying
8 + -7x = 82 + -21

Combine like terms: 82 + -21 = 61
8 + -7x = 61

Solving
8 + -7x = 61

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + -7x = 61 + -8

Combine like terms: 8 + -8 = 0
0 + -7x = 61 + -8
-7x = 61 + -8

Combine like terms: 61 + -8 = 53
-7x = 53

Divide each side by '-7'.
x = -7.571428571

Simplifying
x = -7.571428571

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