75-x=2(45-x)

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Solution for 75-x=2(45-x) equation:


Simplifying
75 + -1x = 2(45 + -1x)
75 + -1x = (45 * 2 + -1x * 2)
75 + -1x = (90 + -2x)

Solving
75 + -1x = 90 + -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.
75 + -1x + 2x = 90 + -2x + 2x

Combine like terms: -1x + 2x = 1x
75 + 1x = 90 + -2x + 2x

Combine like terms: -2x + 2x = 0
75 + 1x = 90 + 0
75 + 1x = 90

Add '-75' to each side of the equation.
75 + -75 + 1x = 90 + -75

Combine like terms: 75 + -75 = 0
0 + 1x = 90 + -75
1x = 90 + -75

Combine like terms: 90 + -75 = 15
1x = 15

Divide each side by '1'.
x = 15

Simplifying
x = 15

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