3x-(x+5)=15

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Solution for 3x-(x+5)=15 equation:


Simplifying
3x + -1(x + 5) = 15

Reorder the terms:
3x + -1(5 + x) = 15
3x + (5 * -1 + x * -1) = 15
3x + (-5 + -1x) = 15

Reorder the terms:
-5 + 3x + -1x = 15

Combine like terms: 3x + -1x = 2x
-5 + 2x = 15

Solving
-5 + 2x = 15

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 5 + 2x = 15 + 5

Combine like terms: -5 + 5 = 0
0 + 2x = 15 + 5
2x = 15 + 5

Combine like terms: 15 + 5 = 20
2x = 20

Divide each side by '2'.
x = 10

Simplifying
x = 10

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