Question

3x-13=8
find the answer

Answer 1

Answer:

3x-13=8

3x=8+13

or,

3x=21

so, x=21/3

x=7

checking the answer

x=7

3(7)-13=8

so x is 7

Answer 2

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$3x - 13 = 8$

$3x = 8 + 13$

$3x = 21$

$x = \frac{21}{3}$

$x = 7$

Hope this helps you ;)