15-1x(0.5x)=31.5

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Solution for 15-1x(0.5x)=31.5 equation: 



15-1x(0.5x)=31.5

We move all terms to the left:

15-1x(0.5x)-(31.5)=0

We add all the numbers together, and all the variables

-1x(+0.5x)+15-(31.5)=0

We add all the numbers together, and all the variables

-1x(+0.5x)-16.5=0

We multiply parentheses

-0x^2-16.5=0

We add all the numbers together, and all the variables

-1x^2-16.5=0

a = -1; b = 0; c = -16.5;
Δ = b2-4ac
Δ = 02-4·(-1)·(-16.5)
Δ = -66
Delta is less than zero, so there is no solution for the equation

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