y-40=20(x-20)

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Solution for y-40=20(x-20) equation:


Simplifying
y + -40 = 20(x + -20)

Reorder the terms:
-40 + y = 20(x + -20)

Reorder the terms:
-40 + y = 20(-20 + x)
-40 + y = (-20 * 20 + x * 20)
-40 + y = (-400 + 20x)

Solving
-40 + y = -400 + 20x

Solving for variable 'y'.

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

Add '40' to each side of the equation.
-40 + 40 + y = -400 + 40 + 20x

Combine like terms: -40 + 40 = 0
0 + y = -400 + 40 + 20x
y = -400 + 40 + 20x

Combine like terms: -400 + 40 = -360
y = -360 + 20x

Simplifying
y = -360 + 20x

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