220=10(X-70)+70

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Solution for 220=10(X-70)+70 equation:


Simplifying
220 = 10(X + -70) + 70

Reorder the terms:
220 = 10(-70 + X) + 70
220 = (-70 * 10 + X * 10) + 70
220 = (-700 + 10X) + 70

Reorder the terms:
220 = -700 + 70 + 10X

Combine like terms: -700 + 70 = -630
220 = -630 + 10X

Solving
220 = -630 + 10X

Solving for variable 'X'.

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

Add '-10X' to each side of the equation.
220 + -10X = -630 + 10X + -10X

Combine like terms: 10X + -10X = 0
220 + -10X = -630 + 0
220 + -10X = -630

Add '-220' to each side of the equation.
220 + -220 + -10X = -630 + -220

Combine like terms: 220 + -220 = 0
0 + -10X = -630 + -220
-10X = -630 + -220

Combine like terms: -630 + -220 = -850
-10X = -850

Divide each side by '-10'.
X = 85

Simplifying
X = 85

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