7=3y+y-8

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Solution for 7=3y+y-8 equation:


Simplifying
7 = 3y + y + -8

Reorder the terms:
7 = -8 + 3y + y

Combine like terms: 3y + y = 4y
7 = -8 + 4y

Solving
7 = -8 + 4y

Solving for variable 'y'.

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

Add '-4y' to each side of the equation.
7 + -4y = -8 + 4y + -4y

Combine like terms: 4y + -4y = 0
7 + -4y = -8 + 0
7 + -4y = -8

Add '-7' to each side of the equation.
7 + -7 + -4y = -8 + -7

Combine like terms: 7 + -7 = 0
0 + -4y = -8 + -7
-4y = -8 + -7

Combine like terms: -8 + -7 = -15
-4y = -15

Divide each side by '-4'.
y = 3.75

Simplifying
y = 3.75

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