15-x+20=3x

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Solution for 15-x+20=3x equation:


Simplifying
15 + -1x + 20 = 3x

Reorder the terms:
15 + 20 + -1x = 3x

Combine like terms: 15 + 20 = 35
35 + -1x = 3x

Solving
35 + -1x = 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.
35 + -1x + -3x = 3x + -3x

Combine like terms: -1x + -3x = -4x
35 + -4x = 3x + -3x

Combine like terms: 3x + -3x = 0
35 + -4x = 0

Add '-35' to each side of the equation.
35 + -35 + -4x = 0 + -35

Combine like terms: 35 + -35 = 0
0 + -4x = 0 + -35
-4x = 0 + -35

Combine like terms: 0 + -35 = -35
-4x = -35

Divide each side by '-4'.
x = 8.75

Simplifying
x = 8.75

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