-45=-(6x+3)

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Solution for -45=-(6x+3) equation:


Simplifying
-45 = -1(6x + 3)

Reorder the terms:
-45 = -1(3 + 6x)
-45 = (3 * -1 + 6x * -1)
-45 = (-3 + -6x)

Solving
-45 = -3 + -6x

Solving for variable 'x'.

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

Add '6x' to each side of the equation.
-45 + 6x = -3 + -6x + 6x

Combine like terms: -6x + 6x = 0
-45 + 6x = -3 + 0
-45 + 6x = -3

Add '45' to each side of the equation.
-45 + 45 + 6x = -3 + 45

Combine like terms: -45 + 45 = 0
0 + 6x = -3 + 45
6x = -3 + 45

Combine like terms: -3 + 45 = 42
6x = 42

Divide each side by '6'.
x = 7

Simplifying
x = 7

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