-45=(-5x)-(5y)-(-5x)

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Solution for -45=(-5x)-(5y)-(-5x) equation:


Simplifying
-45 = (-5x) + -1(5y) + -1(-5x)

Remove parenthesis around (5y)
-45 = (-5x) + -1 * 5y + -1(-5x)

Multiply -1 * 5
-45 = (-5x) + -5y + -1(-5x)

Remove parenthesis around (-5x)
-45 = (-5x) + -5y + -1 * -5x

Multiply -1 * -5
-45 = (-5x) + -5y + 5x

Reorder the terms:
-45 = (-5x) + 5x + -5y

Combine like terms: (-5x) + 5x = 0
-45 = 0 + -5y
-45 = -5y

Solving
-45 = -5y

Solving for variable 'y'.

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

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

Combine like terms: -5y + 5y = 0
-45 + 5y = 0

Add '45' to each side of the equation.
-45 + 45 + 5y = 0 + 45

Combine like terms: -45 + 45 = 0
0 + 5y = 0 + 45
5y = 0 + 45

Combine like terms: 0 + 45 = 45
5y = 45

Divide each side by '5'.
y = 9

Simplifying
y = 9

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