2(10X+100)-10=120

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Solution for 2(10X+100)-10=120 equation: 


Simplifying
2(10X + 100) + -10 = 120

Reorder the terms:
2(100 + 10X) + -10 = 120
(100 * 2 + 10X * 2) + -10 = 120
(200 + 20X) + -10 = 120

Reorder the terms:
200 + -10 + 20X = 120

Combine like terms: 200 + -10 = 190
190 + 20X = 120

Solving
190 + 20X = 120

Solving for variable 'X'.

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

Add '-190' to each side of the equation.
190 + -190 + 20X = 120 + -190

Combine like terms: 190 + -190 = 0
0 + 20X = 120 + -190
20X = 120 + -190

Combine like terms: 120 + -190 = -70
20X = -70

Divide each side by '20'.
X = -3.5

Simplifying
X = -3.5

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