12x-(7x+5)=-5x-45

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Solution for 12x-(7x+5)=-5x-45 equation:


Simplifying
12x + -1(7x + 5) = -5x + -45

Reorder the terms:
12x + -1(5 + 7x) = -5x + -45
12x + (5 * -1 + 7x * -1) = -5x + -45
12x + (-5 + -7x) = -5x + -45

Reorder the terms:
-5 + 12x + -7x = -5x + -45

Combine like terms: 12x + -7x = 5x
-5 + 5x = -5x + -45

Reorder the terms:
-5 + 5x = -45 + -5x

Solving
-5 + 5x = -45 + -5x

Solving for variable 'x'.

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

Add '5x' to each side of the equation.
-5 + 5x + 5x = -45 + -5x + 5x

Combine like terms: 5x + 5x = 10x
-5 + 10x = -45 + -5x + 5x

Combine like terms: -5x + 5x = 0
-5 + 10x = -45 + 0
-5 + 10x = -45

Add '5' to each side of the equation.
-5 + 5 + 10x = -45 + 5

Combine like terms: -5 + 5 = 0
0 + 10x = -45 + 5
10x = -45 + 5

Combine like terms: -45 + 5 = -40
10x = -40

Divide each side by '10'.
x = -4

Simplifying
x = -4

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