Which is the best first step when solving the following system of equations? 5 c + 4 d = 10. 3 c + 2 d = 16. Multiply the first
equation by Negative 2. Solve for d in the second equation. Solve for c in the first equation. Multiply the second equation by Negative 2.
1 answer:
Answer:
5c+4d=10
3c+2d=16
8c+6c=26
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$65.80
$26.32/8=$3.29 for a gallon
$3.29 x 20 = $65.80.
Hope this helps
Answer:
Step-by-step explanation:
4 is coefficient
x is variable
12 is constant
Answer: A
im sure
Step-by-step explanation:
Answer:
C. 35sqcm
Step-by-step explanation:
area of rectangle = length × breadth
5×7=35
18 x 1200= 21600 ÷ 180 = 120
