3(-1)-y=-4

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Solution for 3(-1)-y=-4 equation: 


Simplifying
3(-1) + -1y = -4

Multiply 3 * -1
-3 + -1y = -4

Solving
-3 + -1y = -4

Solving for variable 'y'.

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

Add '3' to each side of the equation.
-3 + 3 + -1y = -4 + 3

Combine like terms: -3 + 3 = 0
0 + -1y = -4 + 3
-1y = -4 + 3

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

Divide each side by '-1'.
y = 1

Simplifying
y = 1

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