y-2=3(x-(-7))

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Solution for y-2=3(x-(-7)) equation: 


Simplifying
y + -2 = 3(x + -1(-7))

Reorder the terms:
-2 + y = 3(x + -1(-7))

Multiply -1 * -7
-2 + y = 3(x + 7)

Reorder the terms:
-2 + y = 3(7 + x)
-2 + y = (7 * 3 + x * 3)
-2 + y = (21 + 3x)

Solving
-2 + y = 21 + 3x

Solving for variable 'y'.

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

Add '2' to each side of the equation.
-2 + 2 + y = 21 + 2 + 3x

Combine like terms: -2 + 2 = 0
0 + y = 21 + 2 + 3x
y = 21 + 2 + 3x

Combine like terms: 21 + 2 = 23
y = 23 + 3x

Simplifying
y = 23 + 3x

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