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Solve for x. begin equation . . . 7 times the quantity . . . 9 plus x . . . equals 84 . . . end equation A x equals 3 B x equals 12 C x equals 21 D x equals 68

Solve for x. begin equation . . . 7 times the quantity . . . 9 plus x . . . equals 84 . . . end equation A x equals 3 B x equals 12 C x equals 21 D x equals 68
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1 vote
Solve for x.

begin equation . . . 7 times the quantity . . . 9 plus x . . . equals 84 . . . end equation

A
x equals 3

B
x equals 12

C
x equals 21

D
x equals 68

asked
User Nicolas Buduroi
by
8.2k points

1 Answer

5 votes


7 * 9 + x = 84 \\ 63 + x = 84 \\ x = 21

Answer is C.

Hope this helps. - M
answered
User Marc Rohloff
by
8.0k points
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