4(12.2)+23+21y-1=180

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Solution for 4(12.2)+23+21y-1=180 equation: 


Simplifying
4(12.2) + 23 + 21y + -1 = 180

Multiply 4 * 12.2
48.8 + 23 + 21y + -1 = 180

Reorder the terms:
48.8 + 23 + -1 + 21y = 180

Combine like terms: 48.8 + 23 = 71.8
71.8 + -1 + 21y = 180

Combine like terms: 71.8 + -1 = 70.8
70.8 + 21y = 180

Solving
70.8 + 21y = 180

Solving for variable 'y'.

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

Add '-70.8' to each side of the equation.
70.8 + -70.8 + 21y = 180 + -70.8

Combine like terms: 70.8 + -70.8 = 0.0
0.0 + 21y = 180 + -70.8
21y = 180 + -70.8

Combine like terms: 180 + -70.8 = 109.2
21y = 109.2

Divide each side by '21'.
y = 5.2

Simplifying
y = 5.2

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