Pre algebra equations? Please help! Big test tmrw!!?

N

NeverThink*

New member
Can u answer atleast one of these? If u could add how to solve that would b great Thank u!
20= -4(f +6) +14
0.7+4.6 = 7.3 - 0.2p
15p = 6(p-9)
9a - 4 + 3(a -11) = 23
 
9a-4+3(a-11)=23
9a-4+ 3a-33=23 (thats the distributive property)
-subtract 3a from both sides
-you get 6a-4-33=23
-add 33 to both sides of the equation
-you should get 6a-4=-10
-add 4 to both sides of the equation
- you should get 6a=-6
-then divide 6 on both sides of the equation so.....
a=-1.....i hoped that helped:]
 
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