9*1.125+8y=72

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Solution for 9*1.125+8y=72 equation: 


Simplifying
9 * 1.125 + 8y = 72

Multiply 9 * 1.125
10.125 + 8y = 72

Solving
10.125 + 8y = 72

Solving for variable 'y'.

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

Add '-10.125' to each side of the equation.
10.125 + -10.125 + 8y = 72 + -10.125

Combine like terms: 10.125 + -10.125 = 0.000
0.000 + 8y = 72 + -10.125
8y = 72 + -10.125

Combine like terms: 72 + -10.125 = 61.875
8y = 61.875

Divide each side by '8'.
y = 7.734375

Simplifying
y = 7.734375

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