y+1=2(x-1)

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Solution for y+1=2(x-1) equation:


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

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

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

Solving
1 + y = -2 + 2x

Solving for variable 'y'.

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

Add '-1' to each side of the equation.
1 + -1 + y = -2 + -1 + 2x

Combine like terms: 1 + -1 = 0
0 + y = -2 + -1 + 2x
y = -2 + -1 + 2x

Combine like terms: -2 + -1 = -3
y = -3 + 2x

Simplifying
y = -3 + 2x

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