5x-7x=3(5-x)

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Solution for 5x-7x=3(5-x) equation:


Simplifying
5x + -7x = 3(5 + -1x)

Combine like terms: 5x + -7x = -2x
-2x = 3(5 + -1x)
-2x = (5 * 3 + -1x * 3)
-2x = (15 + -3x)

Solving
-2x = 15 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
-2x + 3x = 15 + -3x + 3x

Combine like terms: -2x + 3x = 1x
1x = 15 + -3x + 3x

Combine like terms: -3x + 3x = 0
1x = 15 + 0
1x = 15

Divide each side by '1'.
x = 15

Simplifying
x = 15

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