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Earn +20 ptsQ: What is 21 x 2-54 divide by 9?
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How do you solve -x plus 9-2x equals -21?
-x + 9 - 2x = -21 combine like terms -x and -2x isolate -3x by subtracting 9 from both sides divide both sides by -3 -3x + 9 = -21 - 9 - 9 -3x = -30 x = 10
How do you divide fractions to twelfths?
1/7 x 12/9 = 12/63 = 4/21
What Is 9 plus x equals 21 for x equals 11?
x ≠11 9 + x = 21 9 + x - 9 = 21 - 9 x = 12
How do you slove x for 4x plus 9 plus x equals 30?
Not sure about slove, but to solve it: first combine like terms: 5x + 9 = 30 Then subtract 9 from both sides: 5x = 21 Finally, divide both sides by 5: x = 21/5 = 4.2
5x - 12 equals -2x plus 9?
x=3first, take the X's and move them to the side where the five is, giving you 7x, and move the -12 to the 9, so 7x=21 then divide by seven, and x=3
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