Question

Solve for x in the equation 3 + 7x = 17

Answer 1

Value of x :

$\longrightarrow{\tt{3 + 7x = 17}}$

$\longrightarrow{\tt{7x = 17 - 3}}$

$\longrightarrow{\tt{7x = 14}}$

$\longrightarrow{\tt{x = \dfrac{14}{7}}}$

$\longrightarrow{\tt{x = \cancel{\dfrac{14}{7}}}}$

$\large{\boxed{\implies{\tt{2}}}}$

So the value of x = 2

Verification :

$\longrightarrow{\tt{3 + 7(2) = 17}}$

$\longrightarrow{\tt{3 + 14 = 17}}$

$\longrightarrow{\tt{17 = 17}}$

$\longrightarrow{\tt{LHS = RHS}}$

Steps followed :

• Firstly we have taken all the constant terms towards one side and left the coefficient term on another side.
• We have changed the sign of numbers whenever they were moved to opposite side of equal to sign.
• Then we had divided the last two terms to get the value of x.

Answer 2

Answer:

2

Step-by-step explanation:

3+7x=17

= 7x = 17- 3

= 7x = 14

x= 14 ÷ 7

x = 2

L.H.S = 7×2+3

= 14 + 3

= 17

R.H.S = 17

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