20=3x+7x

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Solution for 20=3x+7x equation:


Simplifying
20 = 3x + 7x

Combine like terms: 3x + 7x = 10x
20 = 10x

Solving
20 = 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
20 + -10x = 10x + -10x

Combine like terms: 10x + -10x = 0
20 + -10x = 0

Add '-20' to each side of the equation.
20 + -20 + -10x = 0 + -20

Combine like terms: 20 + -20 = 0
0 + -10x = 0 + -20
-10x = 0 + -20

Combine like terms: 0 + -20 = -20
-10x = -20

Divide each side by '-10'.
x = 2

Simplifying
x = 2

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