3 years ago

5p-9=2p+12 Please help!!!

Mathematics

2 answers:

Luba_88 [7]3 years ago

4 0

5p-9=2p+12
+9 +9
5p= 2p+21
-2p -2p
3p/3=21/3
p=7

allsm [11]3 years ago

3 0

First we have to collect the like terms (The terms with the same variables) on the same side so it becomes:
5p-2p=12+9
Then you simplify it by combining the like terms so it becomes:
3p=21
Now you simplify by dividing both sides by 3 and it becomes:
p=7

Hope this helps :)

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