21y-1+9(10.83)-38=180

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Solution for 21y-1+9(10.83)-38=180 equation: 


Simplifying
21y + -1 + 9(10.83) + -38 = 180

Multiply 9 * 10.83
21y + -1 + 97.47 + -38 = 180

Reorder the terms:
-1 + 97.47 + -38 + 21y = 180

Combine like terms: -1 + 97.47 = 96.47
96.47 + -38 + 21y = 180

Combine like terms: 96.47 + -38 = 58.47
58.47 + 21y = 180

Solving
58.47 + 21y = 180

Solving for variable 'y'.

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

Add '-58.47' to each side of the equation.
58.47 + -58.47 + 21y = 180 + -58.47

Combine like terms: 58.47 + -58.47 = 0.00
0.00 + 21y = 180 + -58.47
21y = 180 + -58.47

Combine like terms: 180 + -58.47 = 121.53
21y = 121.53

Divide each side by '21'.
y = 5.787142857

Simplifying
y = 5.787142857

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