y-7=-3(x-8)

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Solution for y-7=-3(x-8) equation:


Simplifying
y + -7 = -3(x + -8)

Reorder the terms:
-7 + y = -3(x + -8)

Reorder the terms:
-7 + y = -3(-8 + x)
-7 + y = (-8 * -3 + x * -3)
-7 + y = (24 + -3x)

Solving
-7 + y = 24 + -3x

Solving for variable 'y'.

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

Add '7' to each side of the equation.
-7 + 7 + y = 24 + 7 + -3x

Combine like terms: -7 + 7 = 0
0 + y = 24 + 7 + -3x
y = 24 + 7 + -3x

Combine like terms: 24 + 7 = 31
y = 31 + -3x

Simplifying
y = 31 + -3x

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