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Sindrei [870]
3 years ago
14

10 m^-1 n^-5 , for m=10 and n=-2 please show the steps I don’t understand I beg u

Mathematics
1 answer:
Colt1911 [192]3 years ago
7 0
Hey, here it is
Hope it helps!!!

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Solve each pair of simultaneous equations by elimination method.<br>a) 2x+3y-1=0<br> 5x+2y+3=0​
Tanzania [10]
Make x the subject
2x = -3y + 1
5x = -2y -3

now times the answers to get the lcd

(2x = -3y + 1) x 5
10x = -15y + 5

(5x = -2y -3) 2
10x = -4y -6

now that they are equal to the same number:
-15y + 5 = -4y -6
-15y + 4y = -6 -5
-11y = -11
y = 1

now to find x we substitute y
2x = -3y + 1
2x = -3(1) + 1
2x = -3 + 1
2x = -2
x = -1


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