2.8=-10(0.9+Y)

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Solution for 2.8=-10(0.9+Y) equation: 


Simplifying
2.8 = -10(0.9 + Y)
2.8 = (0.9 * -10 + Y * -10)
2.8 = (-9 + -10Y)

Solving
2.8 = -9 + -10Y

Solving for variable 'Y'.

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

Add '10Y' to each side of the equation.
2.8 + 10Y = -9 + -10Y + 10Y

Combine like terms: -10Y + 10Y = 0
2.8 + 10Y = -9 + 0
2.8 + 10Y = -9

Add '-2.8' to each side of the equation.
2.8 + -2.8 + 10Y = -9 + -2.8

Combine like terms: 2.8 + -2.8 = 0.0
0.0 + 10Y = -9 + -2.8
10Y = -9 + -2.8

Combine like terms: -9 + -2.8 = -11.8
10Y = -11.8

Divide each side by '10'.
Y = -1.18

Simplifying
Y = -1.18

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