162-7x=20x+21

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Solution for 162-7x=20x+21 equation:


Simplifying
162 + -7x = 20x + 21

Reorder the terms:
162 + -7x = 21 + 20x

Solving
162 + -7x = 21 + 20x

Solving for variable 'x'.

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

Add '-20x' to each side of the equation.
162 + -7x + -20x = 21 + 20x + -20x

Combine like terms: -7x + -20x = -27x
162 + -27x = 21 + 20x + -20x

Combine like terms: 20x + -20x = 0
162 + -27x = 21 + 0
162 + -27x = 21

Add '-162' to each side of the equation.
162 + -162 + -27x = 21 + -162

Combine like terms: 162 + -162 = 0
0 + -27x = 21 + -162
-27x = 21 + -162

Combine like terms: 21 + -162 = -141
-27x = -141

Divide each side by '-27'.
x = 5.222222222

Simplifying
x = 5.222222222

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