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Leno4ka [110]
3 years ago
10

Solve the system by substitution.

Mathematics
1 answer:
yuradex [85]3 years ago
5 0

Answer:

I think the answer is D

Step-by-step explanation:

You might be interested in
5 (2x – 1) –7 = 2 (x – 3)
Sladkaya [172]

Answer:

x−3=x−3

Step-by-step explanation:

Evaluate (2x−1)−7, then set it equal to 2.

Subtract 7 from −1 = 2x−8

Solve 2x−8=2.

Move all terms not containing x to the right side of the equation.

Add 8 to both sides of the equation=2x=2+8

Add 2 and 8=2x=10

Divide each term by 2 and simplify.

Divide each term in 2x=10 by 2=2x/2=10/2

Cancel the common factor of 2

Cancel the common factor=10/2

Divide x by 1=x=10/2

Divide 10 by 2=x=5

Remove parentheses=x−3

List all of the solutions.

5=

(2x−1)−7=2=x=5

x−3=x−3

7 0
3 years ago
A fabric manufacturing company has a fabric that is 36 inches wide. If the company needs 75 sq. yards, how many linear feet does
malfutka [58]
Well you need to know that a yard is 36 inches. Therefore, you need to multiply 75 by 36 and you will get the amount of inches total which is 2700. Then turn that into feet by dividing it by 12. That gives you 225. Hope I helped!
6 0
3 years ago
What is the slope of the line that passes through the points (-2, -1)(−2,−1) and (2, -3) ?(2,−3)?
olganol [36]

Answer:

-1/2

Step-by-step explanation:

the slope is difference in y over difference in x, so (-3-(-1))/(2-(-2)): aka -2/4 aka -0.5 or -1/2

plug in the points to find the y intercept,

the equation of the line is y = -0.5x -2 incase you need it.

5 0
4 years ago
Which of the following is a correct interpretation of the expression 2 +7
Harrizon [31]
Nine.....................
6 0
3 years ago
Show the work for INVERSE, thank you. I got 17 but I did it wrong because it has to be 7
Yuri [45]

12 - x = 5

Subtract 12 from both sides

12 - 12 - x = 5 - 12

- x = - 7

Divide both sides by -1

-x/-1 = -12/-1

x = 7

6 0
4 years ago
Read 2 more answers
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