7y-4=y+5

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Solution for 7y-4=y+5 equation:


Simplifying
7y + -4 = y + 5

Reorder the terms:
-4 + 7y = y + 5

Reorder the terms:
-4 + 7y = 5 + y

Solving
-4 + 7y = 5 + 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 + 7y + -1y = 5 + y + -1y

Combine like terms: 7y + -1y = 6y
-4 + 6y = 5 + y + -1y

Combine like terms: y + -1y = 0
-4 + 6y = 5 + 0
-4 + 6y = 5

Add '4' to each side of the equation.
-4 + 4 + 6y = 5 + 4

Combine like terms: -4 + 4 = 0
0 + 6y = 5 + 4
6y = 5 + 4

Combine like terms: 5 + 4 = 9
6y = 9

Divide each side by '6'.
y = 1.5

Simplifying
y = 1.5

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