5(4)=y-9

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Solution for 5(4)=y-9 equation: 


Simplifying
5(4) = y + -9

Multiply 5 * 4
20 = y + -9

Reorder the terms:
20 = -9 + y

Solving
20 = -9 + y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
20 + -1y = -9 + y + -1y

Combine like terms: y + -1y = 0
20 + -1y = -9 + 0
20 + -1y = -9

Add '-20' to each side of the equation.
20 + -20 + -1y = -9 + -20

Combine like terms: 20 + -20 = 0
0 + -1y = -9 + -20
-1y = -9 + -20

Combine like terms: -9 + -20 = -29
-1y = -29

Divide each side by '-1'.
y = 29

Simplifying
y = 29

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