5(a-1) - 15 = 3(a+2) + 4
Open all parenthesis and distribute
5a - 5 - 15 = 3a + 6 + 4
Simplify
5a - 20 = 3a + 10
Add both sides by 20 and subtract both sides by 3a
2a = 30
a = 15
2x^2 - 2x - 12 = 0
a) The GCF is 2x
2(x^2 - x - 6) = 0
What multiplies to negative six and adds to negative 1?
Negative 3 and positive 2.
2(x-3)(x+2) = 0
Solutions:
3, -2
Answer:
cahrge 15 for first hours and 6 for every additional hour
Step-by-step explanation:
you get more money because if you do one hour then you will still get $15 in a hour while if you do one hour in the other equation yolu will only get $5
Answer:
Six hundred eighty-four thousand two hundred ninety-seventh
Answer: 13 times
Step-by-step explanation:
78 / 6 = 13 times
