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12q - 4q = 8
Jaquelin Jast
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What is p and q when 2p add 4q is 16 and 7p add 12q is 52?
2p+4q=16 (now divide the equation by two) p+2q=8 (now subtract 2q) p=8-2q 7p+12q=52 (substitue the answer you got for p in the previous equation) 7(8-2q)+12q=52 (multiply the first equation by 7) 56-14q+12q=52 (subtract 14q from 12q) 56-2q=52 (subtract the 56 from 52) -2q=-4 (multiply by -1) 2q=4 (divide by 2) q=2 p=8-2q (substitute the value of q) p=8-2(2) (multiply) p=8-4 (subtract) p=4 2p+4q=16 (check your answers with the new values of p and q) 2(4)+4(2)=16 8+8=16 true 7p+12q=52 7(4)+12(2)=52 28+24=52 true
What is p when 12p plus 4q 55?
If 12p + 4q = 55, then p = (55 - 4q)/12
What is 6 - 17 - 9 plus 12q plus 15?
It's 12q -5
What is 4q plus 1 equals 15?
4q + 1 = 15 4q = 16 q = 4
-12q plus 4 equals q-6?
-12q+4=q-6 4-6=q+12q -2=13q q=-2/13
How do you factorise this 6p plus 12q plus 18r?
6p + 12q + 18r = 6 (p + 2q + 3r)
How do you draw a Factor tree with 12q when q stands for a prime number?
12q 2,6q 2,2,3q 2,2,3,q
How you solve 12q stands for a prime number and make a factor tree?
12q 12,q 6,2,q 3,2,2,q
What is 3-4q equals 10q plus 10?
3 -4q = 10q + 10 3 - 10 = 10q + 4q -7 = 14q q = -1/2
How do you solve r equals 4q-5p over 9 solve for p?
Do you mean: r = (4q-5p)/9? If so then: p = (9r-4q)/-5
How do you make a factor tree with the number 12q q equals a prime number?
12q 12,q 6,2,q 3,2,2,q
How do you work out -6q 7-2 4q?
If you mean: -6q+7-2+4q then it is 5-2q when simplified
