7*(-27.78)+2y=640

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Solution for 7*(-27.78)+2y=640 equation: 


Simplifying
7(-27.78) + 2y = 640

Multiply 7 * -27.78
-194.46 + 2y = 640

Solving
-194.46 + 2y = 640

Solving for variable 'y'.

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

Add '194.46' to each side of the equation.
-194.46 + 194.46 + 2y = 640 + 194.46

Combine like terms: -194.46 + 194.46 = 0.00
0.00 + 2y = 640 + 194.46
2y = 640 + 194.46

Combine like terms: 640 + 194.46 = 834.46
2y = 834.46

Divide each side by '2'.
y = 417.23

Simplifying
y = 417.23

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