If 7x+15=50, then which of the following is the root of the equation?
a. -5 []
b. 5 []
c. 65/7 []
d. 1/5 []
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Answer:
b.5
Step-by-step explanation:
7x+15=50
7x=50-15
7x=35
x=35/7
=5
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