45=-3x-7(-x-11)

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Solution for 45=-3x-7(-x-11) equation:


Simplifying
45 = -3x + -7(-1x + -11)

Reorder the terms:
45 = -3x + -7(-11 + -1x)
45 = -3x + (-11 * -7 + -1x * -7)
45 = -3x + (77 + 7x)

Reorder the terms:
45 = 77 + -3x + 7x

Combine like terms: -3x + 7x = 4x
45 = 77 + 4x

Solving
45 = 77 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
45 + -4x = 77 + 4x + -4x

Combine like terms: 4x + -4x = 0
45 + -4x = 77 + 0
45 + -4x = 77

Add '-45' to each side of the equation.
45 + -45 + -4x = 77 + -45

Combine like terms: 45 + -45 = 0
0 + -4x = 77 + -45
-4x = 77 + -45

Combine like terms: 77 + -45 = 32
-4x = 32

Divide each side by '-4'.
x = -8

Simplifying
x = -8

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