9y+4=4y-7

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


Simplifying
9y + 4 = 4y + -7

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

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

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

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

Combine like terms: 4y + -4y = 0
4 + 5y = -7 + 0
4 + 5y = -7

Add '-4' to each side of the equation.
4 + -4 + 5y = -7 + -4

Combine like terms: 4 + -4 = 0
0 + 5y = -7 + -4
5y = -7 + -4

Combine like terms: -7 + -4 = -11
5y = -11

Divide each side by '5'.
y = -2.2

Simplifying
y = -2.2

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