Solve for the variable.* -a + 3a =10 A. {-9} B. {5} C. {-11} D. {2}

2 answers:

inna [77]2 years ago

5 0

Answer:

Step-by-step explanation:

-a+3a= 10

2a=10

a=10/2

a=5

5 0

I got b so it’s 5 good luck

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