x+25+x+20=3x+15

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Solution for x+25+x+20=3x+15 equation:


Simplifying
x + 25 + x + 20 = 3x + 15

Reorder the terms:
25 + 20 + x + x = 3x + 15

Combine like terms: 25 + 20 = 45
45 + x + x = 3x + 15

Combine like terms: x + x = 2x
45 + 2x = 3x + 15

Reorder the terms:
45 + 2x = 15 + 3x

Solving
45 + 2x = 15 + 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 = 15 + 3x + -3x

Combine like terms: 2x + -3x = -1x
45 + -1x = 15 + 3x + -3x

Combine like terms: 3x + -3x = 0
45 + -1x = 15 + 0
45 + -1x = 15

Add '-45' to each side of the equation.
45 + -45 + -1x = 15 + -45

Combine like terms: 45 + -45 = 0
0 + -1x = 15 + -45
-1x = 15 + -45

Combine like terms: 15 + -45 = -30
-1x = -30

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

Simplifying
x = 30

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