2 answers:
Answer:
x = 4
Step-by-step explanation:
2x + 7 = 15
Subtract 7 from each side
2x +7-7 = 15-7
2x = 8
Divide by 2
2x/2 = 8/2
x = 4
Answer:
x=7
Step-by-step explanation:
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Step-by-step explanation:
Answer:
13
Step-by-step explanation:
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1/2r+2(3/4r-1)=1/4r+6
2r-2=1/4r+6
2r=1/4r+8
7/4r=8
7r=32
r=32/7
9 is the answer
Step by step
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