25+20=x-3x

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Solution for 25+20=x-3x equation:


Simplifying
25 + 20 = x + -3x

Combine like terms: 25 + 20 = 45
45 = x + -3x

Combine like terms: x + -3x = -2x
45 = -2x

Solving
45 = -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.
45 + 2x = -2x + 2x

Combine like terms: -2x + 2x = 0
45 + 2x = 0

Add '-45' to each side of the equation.
45 + -45 + 2x = 0 + -45

Combine like terms: 45 + -45 = 0
0 + 2x = 0 + -45
2x = 0 + -45

Combine like terms: 0 + -45 = -45
2x = -45

Divide each side by '2'.
x = -22.5

Simplifying
x = -22.5

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