-9=7y+8(y-3)

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Solution for -9=7y+8(y-3) equation:


Simplifying
-9 = 7y + 8(y + -3)

Reorder the terms:
-9 = 7y + 8(-3 + y)
-9 = 7y + (-3 * 8 + y * 8)
-9 = 7y + (-24 + 8y)

Reorder the terms:
-9 = -24 + 7y + 8y

Combine like terms: 7y + 8y = 15y
-9 = -24 + 15y

Solving
-9 = -24 + 15y

Solving for variable 'y'.

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

Add '-15y' to each side of the equation.
-9 + -15y = -24 + 15y + -15y

Combine like terms: 15y + -15y = 0
-9 + -15y = -24 + 0
-9 + -15y = -24

Add '9' to each side of the equation.
-9 + 9 + -15y = -24 + 9

Combine like terms: -9 + 9 = 0
0 + -15y = -24 + 9
-15y = -24 + 9

Combine like terms: -24 + 9 = -15
-15y = -15

Divide each side by '-15'.
y = 1

Simplifying
y = 1

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