Solve the system using elimination. 7x + 10y = 27 X-10y = -19 The solution is (Simplify your answer. Type an ordered pair.)

Question

asked Jul 15, 2021 182k views

1 Answer

Demaksee · Answer 1 · 2021-07-20T14:17:49+0000

The solution is (1,2)

Explanation:

7x + 10y = 27

x - 10y = -19 +--------------------

8x = 8

Divide by 8 on both sides

x = 1

To find y substitute any of the equations to 1

7(1) + 10y = 27

7 + 10y = 27

Substract 7 from both sides

10y = 20

Divide by 10

y = 2