5(4)+7y=9

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Solution for 5(4)+7y=9 equation: 


Simplifying
5(4) + 7y = 9

Multiply 5 * 4
20 + 7y = 9

Solving
20 + 7y = 9

Solving for variable 'y'.

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

Add '-20' to each side of the equation.
20 + -20 + 7y = 9 + -20

Combine like terms: 20 + -20 = 0
0 + 7y = 9 + -20
7y = 9 + -20

Combine like terms: 9 + -20 = -11
7y = -11

Divide each side by '7'.
y = -1.571428571

Simplifying
y = -1.571428571

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