7y-1=8y-5

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Solution for 7y-1=8y-5 equation:


Simplifying
7y + -1 = 8y + -5

Reorder the terms:
-1 + 7y = 8y + -5

Reorder the terms:
-1 + 7y = -5 + 8y

Solving
-1 + 7y = -5 + 8y

Solving for variable 'y'.

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

Add '-8y' to each side of the equation.
-1 + 7y + -8y = -5 + 8y + -8y

Combine like terms: 7y + -8y = -1y
-1 + -1y = -5 + 8y + -8y

Combine like terms: 8y + -8y = 0
-1 + -1y = -5 + 0
-1 + -1y = -5

Add '1' to each side of the equation.
-1 + 1 + -1y = -5 + 1

Combine like terms: -1 + 1 = 0
0 + -1y = -5 + 1
-1y = -5 + 1

Combine like terms: -5 + 1 = -4
-1y = -4

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

Simplifying
y = 4

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