10(20+x)=990

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Solution for 10(20+x)=990 equation: 


Simplifying
10(20 + x) = 990
(20 * 10 + x * 10) = 990
(200 + 10x) = 990

Solving
200 + 10x = 990

Solving for variable 'x'.

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

Add '-200' to each side of the equation.
200 + -200 + 10x = 990 + -200

Combine like terms: 200 + -200 = 0
0 + 10x = 990 + -200
10x = 990 + -200

Combine like terms: 990 + -200 = 790
10x = 790

Divide each side by '10'.
x = 79

Simplifying
x = 79

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