5x-20+(4y-5x)=180

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Solution for 5x-20+(4y-5x)=180 equation:


Simplifying
5x + -20 + (4y + -5x) = 180

Reorder the terms:
5x + -20 + (-5x + 4y) = 180

Remove parenthesis around (-5x + 4y)
5x + -20 + -5x + 4y = 180

Reorder the terms:
-20 + 5x + -5x + 4y = 180

Combine like terms: 5x + -5x = 0
-20 + 0 + 4y = 180
-20 + 4y = 180

Solving
-20 + 4y = 180

Solving for variable 'y'.

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

Add '20' to each side of the equation.
-20 + 20 + 4y = 180 + 20

Combine like terms: -20 + 20 = 0
0 + 4y = 180 + 20
4y = 180 + 20

Combine like terms: 180 + 20 = 200
4y = 200

Divide each side by '4'.
y = 50

Simplifying
y = 50

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