If a certain number is multiplied by five, the result is the same as twenty-one plus twice the original number. What is the valu
e of the original number?
2 answers:
7
7 times 5 = 35
21 + 14 (7*2) = 35
Let the number be x
a.t.g.c
5x = 21+ 2x
5x-2x = 21
3x = 21
x = 21/3
x = 7 give me brainliest
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Answer:
53
reason:
substitute a with -7 and b with -37
this makes the equation (-7)3 - (-37)2, which equals 53
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Answer:
6*6*5/3=180/3=60
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