Answer:
x=-7
Step-by-step explanation:
5(-2x-3)-4x-5=78
-10x-15-4x-5=78
-14x-20=78
<u> +20 +20</u>
<u>-14x</u>=<u>98</u>
-14 -14
x=-7
The distributive property applies.
x + 2x + 13x = (1 + 2 + 13)x = 16x
Answer: Jeffrey rean 176 miles
Step-by-step explanation:
1.5kg is 1500 grams.
Maria uses 50g a day, so to know how many days takes eating the whole packet just divide 1500 by 50.
Plug it in.
A being the coefficient of the first term, B the coefficient of the second, and C the coefficient of the third. . .
e.g.: 4x^2 + 7x - 8
a = 4, b = 7, c = -8