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3 years ago

Solve the eliminate 5a - 2b = 142a + 2b = 14

Mathematics

2 answers:

lesantik [10]3 years ago

5 0

Answer:

a = 4, b = 3

Step-by-step explanation:

7a = 28

a = 4

5(4) - 2b = 14

2b = 6

b = 3

Lorico [155]3 years ago

5 0

Answer:

a = 4

b= 3

Step-by-step explanation:

Add equations togther

5a - 2b = 14

2a + 2b = 14

7a + 0 = 28

devide by seven

a = 4

plug in a

2(4) + 2b = 14

8 + 2b =14

subtract a

2b = 6

devide by 2

b = 3

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Oksana_A [137]

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