4y-8=9y-7

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Solution for 4y-8=9y-7 equation:


Simplifying
4y + -8 = 9y + -7

Reorder the terms:
-8 + 4y = 9y + -7

Reorder the terms:
-8 + 4y = -7 + 9y

Solving
-8 + 4y = -7 + 9y

Solving for variable 'y'.

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

Add '-9y' to each side of the equation.
-8 + 4y + -9y = -7 + 9y + -9y

Combine like terms: 4y + -9y = -5y
-8 + -5y = -7 + 9y + -9y

Combine like terms: 9y + -9y = 0
-8 + -5y = -7 + 0
-8 + -5y = -7

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

Combine like terms: -8 + 8 = 0
0 + -5y = -7 + 8
-5y = -7 + 8

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

Divide each side by '-5'.
y = -0.2

Simplifying
y = -0.2

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