7x-(15-x)=25

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Solution for 7x-(15-x)=25 equation:


Simplifying
7x + -1(15 + -1x) = 25
7x + (15 * -1 + -1x * -1) = 25
7x + (-15 + 1x) = 25

Reorder the terms:
-15 + 7x + 1x = 25

Combine like terms: 7x + 1x = 8x
-15 + 8x = 25

Solving
-15 + 8x = 25

Solving for variable 'x'.

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

Add '15' to each side of the equation.
-15 + 15 + 8x = 25 + 15

Combine like terms: -15 + 15 = 0
0 + 8x = 25 + 15
8x = 25 + 15

Combine like terms: 25 + 15 = 40
8x = 40

Divide each side by '8'.
x = 5

Simplifying
x = 5

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