Answer:
x = 5
Step-by-step explanation:
3x + 10x =65
13x = 65
/13 /13
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x = 5
I had the similar test and got it right so it should be B
Answer: x= -11
Step-by-step explanation: Substitute y for -9, and move 2 to the other side, which would be -9-2=-11. So x=-11