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Evgen [1.6K]
3 years ago
14

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

Mathematics
2 answers:
kipiarov [429]3 years ago
7 0

5x - 7 = 19

Add 7 to both sides:

5x = 26

Divide both sides by 5:

x = 26/5

allochka39001 [22]3 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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