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

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


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

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

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

Combine like terms: 20 + 25 = 45
-15 + 4x = 45 + x + x

Combine like terms: x + x = 2x
-15 + 4x = 45 + 2x

Solving
-15 + 4x = 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.
-15 + 4x + -2x = 45 + 2x + -2x

Combine like terms: 4x + -2x = 2x
-15 + 2x = 45 + 2x + -2x

Combine like terms: 2x + -2x = 0
-15 + 2x = 45 + 0
-15 + 2x = 45

Add '15' to each side of the equation.
-15 + 15 + 2x = 45 + 15

Combine like terms: -15 + 15 = 0
0 + 2x = 45 + 15
2x = 45 + 15

Combine like terms: 45 + 15 = 60
2x = 60

Divide each side by '2'.
x = 30

Simplifying
x = 30

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