y-9=4(x+1)

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Solution for y-9=4(x+1) equation:


Simplifying
y + -9 = 4(x + 1)

Reorder the terms:
-9 + y = 4(x + 1)

Reorder the terms:
-9 + y = 4(1 + x)
-9 + y = (1 * 4 + x * 4)
-9 + y = (4 + 4x)

Solving
-9 + y = 4 + 4x

Solving for variable 'y'.

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

Add '9' to each side of the equation.
-9 + 9 + y = 4 + 9 + 4x

Combine like terms: -9 + 9 = 0
0 + y = 4 + 9 + 4x
y = 4 + 9 + 4x

Combine like terms: 4 + 9 = 13
y = 13 + 4x

Simplifying
y = 13 + 4x

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