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weeeeeb [17]
3 years ago
6

Help with pre algerbra equations PLZ

Mathematics
2 answers:
Makovka662 [10]3 years ago
8 0
5.4a+8.2=9.8a-2.8  subtract 9.8a from both sides

-4.4a+8.2=-2.8  subtract 8.2 from both sides

-4.4a=-11  divide both sides by 4.4

a=11/4.4

a=2.5
...

6(m-2)=12  perform indicated operations on left side...

6m-12=12  add 12 to both sides

6m=24 divide both sides by 6

m=4

...

6-m=5m+30  subtract 5m from both sides

6-6m=30  subtract 6 from both sides

-6m=24  divide both sides by -6

m=-4
Fudgin [204]3 years ago
3 0
For the first one a = 2.5. For the second one m = 4. For the third one m = -4
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