-4=y-7

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Solution for -4=y-7 equation:


Simplifying
-4 = y + -7

Reorder the terms:
-4 = -7 + y

Solving
-4 = -7 + 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.
-4 + -1y = -7 + y + -1y

Combine like terms: y + -1y = 0
-4 + -1y = -7 + 0
-4 + -1y = -7

Add '4' to each side of the equation.
-4 + 4 + -1y = -7 + 4

Combine like terms: -4 + 4 = 0
0 + -1y = -7 + 4
-1y = -7 + 4

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

Divide each side by '-1'.
y = 3

Simplifying
y = 3

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