Help with pre algerbra equations PLZ
2 answers:
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
For the first one a = 2.5. For the second one m = 4. For the third one m = -4
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