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4 votes
Solve the system using elimination.

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

User Haza
by
8.2k points

1 Answer

3 votes

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

User Demaksee
by
7.9k points