10(3+x)=120

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Solution for 10(3+x)=120 equation: 


Simplifying
10(3 + x) = 120
(3 * 10 + x * 10) = 120
(30 + 10x) = 120

Solving
30 + 10x = 120

Solving for variable 'x'.

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

Add '-30' to each side of the equation.
30 + -30 + 10x = 120 + -30

Combine like terms: 30 + -30 = 0
0 + 10x = 120 + -30
10x = 120 + -30

Combine like terms: 120 + -30 = 90
10x = 90

Divide each side by '10'.
x = 9

Simplifying
x = 9

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