10(10+x)=9(20)

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Solution for 10(10+x)=9(20) equation: 


Simplifying
10(10 + x) = 9(20)
(10 * 10 + x * 10) = 9(20)
(100 + 10x) = 9(20)

Multiply 9 * 20
100 + 10x = 180

Solving
100 + 10x = 180

Solving for variable 'x'.

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

Add '-100' to each side of the equation.
100 + -100 + 10x = 180 + -100

Combine like terms: 100 + -100 = 0
0 + 10x = 180 + -100
10x = 180 + -100

Combine like terms: 180 + -100 = 80
10x = 80

Divide each side by '10'.
x = 8

Simplifying
x = 8

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