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Q: What is x if -3x equals 21?

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If: 3x-3 = 7x+21 Then: x = -6

3x=96-75 3x=21 x=7

Solve for x: 3x=(96-75) 96-75= 21 / 21:3= 7

x = 4

In 3x = 96 - 75 the "x" stands for the number which, when multiplied by 3, equals the difference between 96 and 75. 96 - 75 = 21 If 3x = 21 then x = 21 divided by 3, or 7

3x = 96 - 75 produces the equations 3x = 21 and x = 7

3x-6 = 21 3x = 21+6 x = (21+6)/3 x = 9 You shouldn't ask us to solve your math homework.

12

the answer to 3 x 7 = is 21

3x + 7 = -4x + 28 implies 7x + 7 = 28

-18

If x-3x=18 then x equals -9

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