3x-15=25-7x

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Solution for 3x-15=25-7x equation:


Simplifying
3x + -15 = 25 + -7x

Reorder the terms:
-15 + 3x = 25 + -7x

Solving
-15 + 3x = 25 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
-15 + 3x + 7x = 25 + -7x + 7x

Combine like terms: 3x + 7x = 10x
-15 + 10x = 25 + -7x + 7x

Combine like terms: -7x + 7x = 0
-15 + 10x = 25 + 0
-15 + 10x = 25

Add '15' to each side of the equation.
-15 + 15 + 10x = 25 + 15

Combine like terms: -15 + 15 = 0
0 + 10x = 25 + 15
10x = 25 + 15

Combine like terms: 25 + 15 = 40
10x = 40

Divide each side by '10'.
x = 4

Simplifying
x = 4

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