4.2*-9.1+2.5y=-9.1

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Solution for 4.2*-9.1+2.5y=-9.1 equation: 


Simplifying
4.2 * -9.1 + 2.5y = -9.1

Multiply 4.2 * -9.1
-38.22 + 2.5y = -9.1

Solving
-38.22 + 2.5y = -9.1

Solving for variable 'y'.

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

Add '38.22' to each side of the equation.
-38.22 + 38.22 + 2.5y = -9.1 + 38.22

Combine like terms: -38.22 + 38.22 = 0.00
0.00 + 2.5y = -9.1 + 38.22
2.5y = -9.1 + 38.22

Combine like terms: -9.1 + 38.22 = 29.12
2.5y = 29.12

Divide each side by '2.5'.
y = 11.648

Simplifying
y = 11.648

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