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How do i solve by using substitution​

How do i solve by using substitution​-example-1
User Dso
by
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1 Answer

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Answer:

a = 0, b = 3

Explanation:

3a + b = 3

b = - 3a +3

2a - 5b = - 15

2a - 5(-3a + 3) = - 15

2a + 15a - 15 = - 15

17a = 0

a = 0

b = -3a +3 = - 3 *0 +3 = 3

User Grafgenerator
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