81-7x=29+21

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Solution for 81-7x=29+21 equation:


Simplifying
81 + -7x = 29 + 21

Combine like terms: 29 + 21 = 50
81 + -7x = 50

Solving
81 + -7x = 50

Solving for variable 'x'.

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

Add '-81' to each side of the equation.
81 + -81 + -7x = 50 + -81

Combine like terms: 81 + -81 = 0
0 + -7x = 50 + -81
-7x = 50 + -81

Combine like terms: 50 + -81 = -31
-7x = -31

Divide each side by '-7'.
x = 4.428571429

Simplifying
x = 4.428571429

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