Question

What is the solution to 5x+9-3x=18+15 A.x=8 B.x=12 C.x=21 D.x=3

Answer 1

Your answer will be B) x=12

1)5x-3x
2) move 9 to the other side (change signs)
3)18+15-9
4) 2x= 24 (divide 2 from both sides
5)x=12

hope this helps

Answer 2

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