10(x-7)=20

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Solution for 10(x-7)=20 equation:


Simplifying
10(x + -7) = 20

Reorder the terms:
10(-7 + x) = 20
(-7 * 10 + x * 10) = 20
(-70 + 10x) = 20

Solving
-70 + 10x = 20

Solving for variable 'x'.

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

Add '70' to each side of the equation.
-70 + 70 + 10x = 20 + 70

Combine like terms: -70 + 70 = 0
0 + 10x = 20 + 70
10x = 20 + 70

Combine like terms: 20 + 70 = 90
10x = 90

Divide each side by '10'.
x = 9

Simplifying
x = 9

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