y-8=-7(x-7)

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Solution for y-8=-7(x-7) equation:


Simplifying
y + -8 = -7(x + -7)

Reorder the terms:
-8 + y = -7(x + -7)

Reorder the terms:
-8 + y = -7(-7 + x)
-8 + y = (-7 * -7 + x * -7)
-8 + y = (49 + -7x)

Solving
-8 + y = 49 + -7x

Solving for variable 'y'.

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

Add '8' to each side of the equation.
-8 + 8 + y = 49 + 8 + -7x

Combine like terms: -8 + 8 = 0
0 + y = 49 + 8 + -7x
y = 49 + 8 + -7x

Combine like terms: 49 + 8 = 57
y = 57 + -7x

Simplifying
y = 57 + -7x

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