Question

The solution of the equation 3x+7=13 is:

a) -1 b) 1 c) 2 d) 3​

Answer 1

Answer:

x = 2

Step-by-step explanation:

3x + 7 = 13

3x = 13 -7

3x = 6

x = 6/3

X = 2

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Answer 2

Step-by-step explanation:

3x+7=13

3x+7-7=13-7

then cancel 7and 7 by L.H.S

3x=6

3x/3=6/3

then cancel 3 and 3 by L.H.S

and cancel 3and 6 by R.H.S

x=2