3x-13=2
move -13 to the other side
sign changes from -13 to +13
3x-13+13=2+13
3x=2+13
3x=15
divide both sides by 3 to get x by itself
3x/3=15/3
cross out 3 and 3, divide by 3 and then becomes 1*1*x=x
x=15/3
x=5
answer:
x=5
Answer:
2
Step-by-step explanation:
4x+3=x+9
4x-x=9-3
3x=6
x=6/3
x=2
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Step-by-step explanation:
Look at the photo below for the details.
Answer:
C. The manager visits a park and interviews people who were waiting to use the tennis courts.
Step-by-step explanation:
It's biased because the manager is clearly asking people only interested in tennis, not a clearly random sample.
Answer:
Its 13
Step-by-step explanation: