y-1=-0.75(x-1)

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Solution for y-1=-0.75(x-1) equation: 


Simplifying
y + -1 = -0.75(x + -1)

Reorder the terms:
-1 + y = -0.75(x + -1)

Reorder the terms:
-1 + y = -0.75(-1 + x)
-1 + y = (-1 * -0.75 + x * -0.75)
-1 + y = (0.75 + -0.75x)

Solving
-1 + y = 0.75 + -0.75x

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 = 0.75 + 1 + -0.75x

Combine like terms: -1 + 1 = 0
0 + y = 0.75 + 1 + -0.75x
y = 0.75 + 1 + -0.75x

Combine like terms: 0.75 + 1 = 1.75
y = 1.75 + -0.75x

Simplifying
y = 1.75 + -0.75x

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