45=5x+5(-3x-9)

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Solution for 45=5x+5(-3x-9) equation:


Simplifying
45 = 5x + 5(-3x + -9)

Reorder the terms:
45 = 5x + 5(-9 + -3x)
45 = 5x + (-9 * 5 + -3x * 5)
45 = 5x + (-45 + -15x)

Reorder the terms:
45 = -45 + 5x + -15x

Combine like terms: 5x + -15x = -10x
45 = -45 + -10x

Solving
45 = -45 + -10x

Solving for variable 'x'.

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

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

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

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

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

Combine like terms: -45 + -45 = -90
10x = -90

Divide each side by '10'.
x = -9

Simplifying
x = -9

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