Solve the system of equations.

y=7x

y=2x + 20

x=?

y=?

Question

Mathematics

Tyson Shea

11 July, 05:19

Solve the system of equations.

y=7x

y=2x + 20

x=?

y=?

+2

Answers (1)

Know the Answer?

Burns · Answer 1

X=4, y=28. 7x=2x+20, so subtract 2x from both sides and you'll get 5x=20. Divide both sides by 5 and you'll get x=4. Substitute this into the other equations and they will both equal 28.

Solve the system of equations.y=7xy=2x + 20x=?y=?

Solve the system of equations.

y=7x

y=2x + 20

x=?

y=?