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5 votes
Solve each system of equations by using elimination.

6a + 6b = 12
6a - 5b = 12
Select one:
a. (1,0)
O b.(2,0)
O c.(3,-0.5)
O d. (2,0.25)​

User BenjaminRH
by
3.2k points

1 Answer

5 votes

Answer:

B. (2, 0)

Explanation:

Step 1: Elimination (Subtract the 2 equations/add the 2 equations, one being negative)

b = 0

Step 2: Plug in b to get a

6a - 5(0) = 12

6a - 0 = 12

6a = 12

a = 2

User Herbert
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3.6k points