Asked by tony
I need to complete the following number sentences so that the answer to each is 1
12/15 -7/15 + /15 =1
12/15 -7/15 + /15 =1
Answers
Answered by
Reiny
12/15 -7/15 + x/15 =1
or
12 - 7 + x = 15
x = 15 - 12 + 7
x = 10
or
12 - 7 + x = 15
x = 15 - 12 + 7
x = 10
Answered by
tony
25/20+16/20+1/20-*/20=1
explain it to me please
explain it to me please
Answered by
tony
25/20+16/20+7/20-x/20=1
Answered by
Reiny
In the first problem, since all the denominators were the same, namely 15, I multiplied each term by 15
in the second problem, notice that all denominators are 20, so multiply each term by 20 to get
25 + 16 + 7 - x = 20
easy to solve for x
in the second problem, notice that all denominators are 20, so multiply each term by 20 to get
25 + 16 + 7 - x = 20
easy to solve for x
Answered by
tony
25/20 +16/20 +1/20 - x/20 = 1
25+16+1-x=20
x=160
25+16+1-x=20
x=160
Answered by
tony
18/20 -6/20+ x/20=1
x=20-18+6
x=8
is this the correct answer
x=20-18+6
x=8
is this the correct answer
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