(x+20)+(x+25)=3x+20

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Solution for (x+20)+(x+25)=3x+20 equation:


Simplifying
(x + 20) + (x + 25) = 3x + 20

Reorder the terms:
(20 + x) + (x + 25) = 3x + 20

Remove parenthesis around (20 + x)
20 + x + (x + 25) = 3x + 20

Reorder the terms:
20 + x + (25 + x) = 3x + 20

Remove parenthesis around (25 + x)
20 + x + 25 + x = 3x + 20

Reorder the terms:
20 + 25 + x + x = 3x + 20

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

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

Reorder the terms:
45 + 2x = 20 + 3x

Solving
45 + 2x = 20 + 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.
45 + 2x + -3x = 20 + 3x + -3x

Combine like terms: 2x + -3x = -1x
45 + -1x = 20 + 3x + -3x

Combine like terms: 3x + -3x = 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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