Question

Solve the following equation by the systematic method: 3( + 7) = 42

Answer 1

Answer:

3(x+21)=42

3 x + 21 = 42

3x = 42- 21.

3 x = 21

x = 21/3

x= 7

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Step-by-step explanation:

Answer 2

Answer:

3x+21=42

Step-by-step explanation:

3 x X =3x

3 x 7 =21

Therefore 3x+21=42

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