x+20+2x+25=4x+20

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


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

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

Combine like terms: 20 + 25 = 45
45 + x + 2x = 4x + 20

Combine like terms: x + 2x = 3x
45 + 3x = 4x + 20

Reorder the terms:
45 + 3x = 20 + 4x

Solving
45 + 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.
45 + 3x + -4x = 20 + 4x + -4x

Combine like terms: 3x + -4x = -1x
45 + -1x = 20 + 4x + -4x

Combine like terms: 4x + -4x = 0
45 + -1x = 20 + 0
45 + -1x = 20

Add '-45' to each side of the equation.
45 + -45 + -1x = 20 + -45

Combine like terms: 45 + -45 = 0
0 + -1x = 20 + -45
-1x = 20 + -45

Combine like terms: 20 + -45 = -25
-1x = -25

Divide each side by '-1'.
x = 25

Simplifying
x = 25

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