7x-(3x+3)=2x-15

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Solution for 7x-(3x+3)=2x-15 equation:


Simplifying
7x + -1(3x + 3) = 2x + -15

Reorder the terms:
7x + -1(3 + 3x) = 2x + -15
7x + (3 * -1 + 3x * -1) = 2x + -15
7x + (-3 + -3x) = 2x + -15

Reorder the terms:
-3 + 7x + -3x = 2x + -15

Combine like terms: 7x + -3x = 4x
-3 + 4x = 2x + -15

Reorder the terms:
-3 + 4x = -15 + 2x

Solving
-3 + 4x = -15 + 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.
-3 + 4x + -2x = -15 + 2x + -2x

Combine like terms: 4x + -2x = 2x
-3 + 2x = -15 + 2x + -2x

Combine like terms: 2x + -2x = 0
-3 + 2x = -15 + 0
-3 + 2x = -15

Add '3' to each side of the equation.
-3 + 3 + 2x = -15 + 3

Combine like terms: -3 + 3 = 0
0 + 2x = -15 + 3
2x = -15 + 3

Combine like terms: -15 + 3 = -12
2x = -12

Divide each side by '2'.
x = -6

Simplifying
x = -6

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