Solve each system by substitution. check your answers 6. y=-x^2+x+12 y=2x-8 8. y=2x^2-5x+6 y=3x-2 10. y=x^2-2x-2 y=-3x+4 12.x+y=x^2-6 x+y+2=0 14. y+4=x^2-3x y+9=3x 16. x+y=7 x^2-y=-5x

step-by-step explanation:

step-by-step explanation:

the multiplicative inverse of a fraction a/b is b/a. for the multiplicative inverse of a real number, divide 1 by the number. for example, the reciprocal of 5 is one fifth 1/5 or 0.2, and the reciprocal of 0.25 is 1 divided by 0.25, or 4.