Question

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Answer 1

x=4

Explanation:

5x-2=18 (multiply 9 with 2=18)

5x=18+2 (move 2 to the other side)

5x=20 (add 18 and 2=20)

X=4 (divide 20 and 5 =4)

Answer 2

4

Explanation:

5x/2 - 1 = 9

add 1 to each side

5x/2 = 10

multiply both sides by 2

5x = 20

divide both sides by 5

x=4