y-89=3(x-7)

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Solution for y-89=3(x-7) equation:


Simplifying
y + -89 = 3(x + -7)

Reorder the terms:
-89 + y = 3(x + -7)

Reorder the terms:
-89 + y = 3(-7 + x)
-89 + y = (-7 * 3 + x * 3)
-89 + y = (-21 + 3x)

Solving
-89 + y = -21 + 3x

Solving for variable 'y'.

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

Add '89' to each side of the equation.
-89 + 89 + y = -21 + 89 + 3x

Combine like terms: -89 + 89 = 0
0 + y = -21 + 89 + 3x
y = -21 + 89 + 3x

Combine like terms: -21 + 89 = 68
y = 68 + 3x

Simplifying
y = 68 + 3x

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