3 + X into 7 is equal to 91
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Answered by
3
Answer:
3 + 7x = 91
7x = 91 - 3 = 88
x = 88/7
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Step-by-step explanation:
7(3+X). =91
21+7X =91
7x =91-21
7x=70
x=70÷7
x=10
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