Question

the root of 5x-8=7 is 3

Answer 1

Answer:

1 Add 8 to Right sides.

5x=7+8

2 Simplify 7+8 to 15

5x=15

3 Divide both sides by 5

x=15/5

4 Simplify

x=3

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Answer 2

Answer:

5x-8-7=3

5x-15=3

5x=18

x=3.6