Solve for y 0.80y+0.85(80)=0.40(126)

Math
0.8y+0.85(80)=0.4(126)
Multiply 0.85 by 80.
0.8y+68=0.4(126)
Multiply 0.4 by 126.
0.8y+68=50.4
Move all terms not containing y to the right side of the equation.
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Subtract 68 from both sides of the equation.
0.8y=50.4-68
Subtract 68 from 50.4.
0.8y=-17.6
0.8y=-17.6
Divide each term by 0.8 and simplify.
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Divide each term in 0.8y=-17.6 by 0.8.
0.8y0.8=-17.60.8
Cancel the common factor of 0.8.
y=-17.60.8
Divide -17.6 by 0.8.
y=-22
y=-22
Solve for y 0.80y+0.85(80)=0.40(126)

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