3y+4=8y-5

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Solution for 3y+4=8y-5 equation:


Simplifying
3y + 4 = 8y + -5

Reorder the terms:
4 + 3y = 8y + -5

Reorder the terms:
4 + 3y = -5 + 8y

Solving
4 + 3y = -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.
4 + 3y + -8y = -5 + 8y + -8y

Combine like terms: 3y + -8y = -5y
4 + -5y = -5 + 8y + -8y

Combine like terms: 8y + -8y = 0
4 + -5y = -5 + 0
4 + -5y = -5

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

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

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

Divide each side by '-5'.
y = 1.8

Simplifying
y = 1.8

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