9(6.4+0.8y)-y=33

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Solution for 9(6.4+0.8y)-y=33 equation:


Simplifying
9(6.4 + 0.8y) + -1y = 33
(6.4 * 9 + 0.8y * 9) + -1y = 33
(57.6 + 7.2y) + -1y = 33

Combine like terms: 7.2y + -1y = 6.2y
57.6 + 6.2y = 33

Solving
57.6 + 6.2y = 33

Solving for variable 'y'.

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

Add '-57.6' to each side of the equation.
57.6 + -57.6 + 6.2y = 33 + -57.6

Combine like terms: 57.6 + -57.6 = 0.0
0.0 + 6.2y = 33 + -57.6
6.2y = 33 + -57.6

Combine like terms: 33 + -57.6 = -24.6
6.2y = -24.6

Divide each side by '6.2'.
y = -3.967741935

Simplifying
y = -3.967741935

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