A. When solving the system of linear equations 6x+y = 1 and 7x+2y = -3 with substitution, it is easiest to first solve the equat
ion _6x+y=1_for_y_. When this is done, -y_ is equal to _6x+1
b. What is the solution to the system of linear equations in part a?
I need help with b
1 answer:
Answer:
6x + y = 1
y = 1 - 6x
7x + 2(1 - 6x) = -3 substitute 1 - 6x in for y
7x + 2 - 12x = -3 combine like terms
2 - 5x = -3 subtract 2 from both sides
-5x = -5 divide by -5
x = 1
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Step-by-step explanation:
Step 1: Add 5 to both sides.
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Step 2: Divide both sides by -3.
−3x/−3=21/−3
domain refers to the X values so option A would be correct :)
Answer:
12x
Step-by-step explanation:
Answer:
The answer to your question is: the height of the light pole is 15 ft.
Step-by-step explanation:
See the picture below
Now, we can do proportions to finds the height of the light pole
Solve for x
x = 6(20) / 8
x = 120 / 8
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