3 years ago

Given: 3(5×+1) =13×+5

1 answer:

5 0

Expand
15x3=13x+5
subtract 3 from both sides
15x=13x+5-3
simplify 13x+5-3 to 13x+2
15x-13x+2
subtract 13 from both sides
15x-13x=2
simplify 15x-13x to 2x
2x=2
divide both sides by 2
x=1

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