22.8=-10(0.9+4y)

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Solution for 22.8=-10(0.9+4y) equation: 


Simplifying
22.8 = -10(0.9 + 4y)
22.8 = (0.9 * -10 + 4y * -10)
22.8 = (-9 + -40y)

Solving
22.8 = -9 + -40y

Solving for variable 'y'.

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

Add '40y' to each side of the equation.
22.8 + 40y = -9 + -40y + 40y

Combine like terms: -40y + 40y = 0
22.8 + 40y = -9 + 0
22.8 + 40y = -9

Add '-22.8' to each side of the equation.
22.8 + -22.8 + 40y = -9 + -22.8

Combine like terms: 22.8 + -22.8 = 0.0
0.0 + 40y = -9 + -22.8
40y = -9 + -22.8

Combine like terms: -9 + -22.8 = -31.8
40y = -31.8

Divide each side by '40'.
y = -0.795

Simplifying
y = -0.795

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