Question

5x + 8y = -29
7x - 2y = -67

solve by elimination.

Answer 1

Multiply the second equation by 4 and add the result to the first equation.

Answer 2

thanks! & i got one more problem:)

Answer 3

What is it?

Answer 4

A restaurant sells 2 eggs, and 1 toast for $3. They also sell 1 egg, and 1 toast for $1.80. What's the egg's price? Toast price?

Answer 5

2e+1t=3
1e+1t=1.80

Answer 6

Subtract the two equations.

Answer 7

1e = 1.20 for the egg?

Answer 8

yep

Answer 9

what about toast?

Answer 10

Well if 1 egg + 1 toast is 1.80 and the egg is 1.20, how much is the toast?

Answer 11

60 cents?

Answer 12

yep

Answer 13

thank you!!!!

Answer 14

yw