## solve the system by substitution, Algebra

Assignment Help:
5x-y+9, 2x-2y+7, what is the solution?

#### Find the difference, (-9/8-8/9)- (-9/8-9)

(-9/8-8/9)- (-9/8-9)

2x^3+y+x+2x^2y

#### Exchange rate, #question. in january sunanda changed 25000 pounds into doll...

#question. in january sunanda changed 25000 pounds into dollars when the exchange rate was \$1.96= 1 pounin june she changed the dallars back into when the exchange rate was \$1.75=1

#### Histograms, How may courts have 18000-18999 seats ? Use the graph

How may courts have 18000-18999 seats ? Use the graph

#### Gaussian elmination, 3x-y+2z=14 x+y-z=0 2x-y+3z=18

3x-y+2z=14 x+y-z=0 2x-y+3z=18

#### Student, the weight of a body above the surface of earth varies inversely w...

the weight of a body above the surface of earth varies inversely with the square of the distance from the center of the earth. if maria weighs 125 pounds when she is on the surface

#### Find the Quotient, (2x^2+16x+24)/(3x^2) /(x+6)

(2x^2+16x+24)/(3x^2) /(x+6)

#### Finite geometric series, a3=8,a5=2, n=6 what is the sum

a3=8,a5=2, n=6 what is the sum

3+n=11

#### Problem., -200t^2+3600t-6400 if the goal was to raise 8500 what would be th...

-200t^2+3600t-6400 if the goal was to raise 8500 what would be the price of each ticket?  