70-x=85-2x

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Solution for 70-x=85-2x equation:


Simplifying
70 + -1x = 85 + -2x

Solving
70 + -1x = 85 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
70 + -1x + 2x = 85 + -2x + 2x

Combine like terms: -1x + 2x = 1x
70 + 1x = 85 + -2x + 2x

Combine like terms: -2x + 2x = 0
70 + 1x = 85 + 0
70 + 1x = 85

Add '-70' to each side of the equation.
70 + -70 + 1x = 85 + -70

Combine like terms: 70 + -70 = 0
0 + 1x = 85 + -70
1x = 85 + -70

Combine like terms: 85 + -70 = 15
1x = 15

Divide each side by '1'.
x = 15

Simplifying
x = 15

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