1 answer:
Answer:
u = -7
Step-by-step explanation:
-3+4u=-31
Add 3 to each side
-3+3 +4u = -31+3
4u = -28
Divide each side by 4
4u/4 = -28/4
u = -7
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Step-by-step explanation:
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Second option:
-7x^2+4x+2
30*85 multiply those to numbers and then multiply 45 120
$= 5x
Each hour you earn 5 dollars
Answer:
*12 and *6
Step-by-step explanation:
5*12/6*12=10*6/10*6
60/72=60/72
60=60
true
