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Evgen [1.6K]
2 years ago
14

. Solve for x 5x – 7 = 19 Give your answer as an 

Mathematics
2 answers:
kipiarov [429]2 years ago
7 0

5x - 7 = 19

Add 7 to both sides:

5x = 26

Divide both sides by 5:

x = 26/5

allochka39001 [22]2 years ago
6 0

5x - 7 = 19

Move -7 to another side and become + 7. Whenever we move to another side, we change the sign/operator to opposite. Ergo, changing from plus to minus and multiply to divide.

5x = 19 + 7 \\ 5x = 26

We are at this part. Now to move 5 which is multiplying the x. So we move 5 from multiply to divide 26.

x =  \frac{26}{5}

Ergo, the answer is x = 26/5

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Delicious77 [7]

Answer:

8

Step-by-step explanation:

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8 0
3 years ago
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Genrish500 [490]

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Step-by-step explanation:

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7 0
3 years ago
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trapecia [35]

Answer:

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Step-by-step explanation:

5 0
3 years ago
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a_sh-v [17]

Answer:

B

Step-by-step explanation:

70-20=50

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7 0
3 years ago
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meriva

Answer:

B

Step-by-step explanation:

First create the equation that has slope of -1 in the form of y=mx+b. Because the slope is -1, m=-1, so the equation is y=-x+b. Now we see that we are given the point (-3, 8) as an intersection point. Substitute x and y for -3 and 8 in our equation. With this information, our equation becomes 8=3+b. Solving, b=5. Our equation is now y=-x+5.

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