2x-15+x+25=4x-20

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Solution for 2x-15+x+25=4x-20 equation:


Simplifying
2x + -15 + x + 25 = 4x + -20

Reorder the terms:
-15 + 25 + 2x + x = 4x + -20

Combine like terms: -15 + 25 = 10
10 + 2x + x = 4x + -20

Combine like terms: 2x + x = 3x
10 + 3x = 4x + -20

Reorder the terms:
10 + 3x = -20 + 4x

Solving
10 + 3x = -20 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
10 + 3x + -4x = -20 + 4x + -4x

Combine like terms: 3x + -4x = -1x
10 + -1x = -20 + 4x + -4x

Combine like terms: 4x + -4x = 0
10 + -1x = -20 + 0
10 + -1x = -20

Add '-10' to each side of the equation.
10 + -10 + -1x = -20 + -10

Combine like terms: 10 + -10 = 0
0 + -1x = -20 + -10
-1x = -20 + -10

Combine like terms: -20 + -10 = -30
-1x = -30

Divide each side by '-1'.
x = 30

Simplifying
x = 30

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