y=3(x-1)+(x-1)

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Solution for y=3(x-1)+(x-1) equation:


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

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

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

Remove parenthesis around (-1 + x)
y = -3 + 3x + -1 + x

Reorder the terms:
y = -3 + -1 + 3x + x

Combine like terms: -3 + -1 = -4
y = -4 + 3x + x

Combine like terms: 3x + x = 4x
y = -4 + 4x

Solving
y = -4 + 4x

Solving for variable 'y'.

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

Simplifying
y = -4 + 4x

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