-4+7=y-1

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Solution for -4+7=y-1 equation:


Simplifying
-4 + 7 = y + -1

Combine like terms: -4 + 7 = 3
3 = y + -1

Reorder the terms:
3 = -1 + y

Solving
3 = -1 + y

Solving for variable 'y'.

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

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

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

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

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

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

Divide each side by '-1'.
y = 4

Simplifying
y = 4

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