Question

solve and check : 3 ( x + 2 ) = 9​

Answer 1

Answer:

Distribute

3(+2)=9

{\color{#c92786}{3(x+2)}}=93(x+2)=9

3+6=9

{\color{#c92786}{3x+6}}=93x+6=9

2

Subtract 

6

66

 from both sides of the equation

3+6=9

3x+6=93x+6=9

3+6−6=9−6

3x+6{\color{#c92786}{-6}}=9{\color{#c92786}{-6}}3x+6−6=9−6

3

Simplify

4

Divide both sides of the equation by the same term

3=3

3x=33x=3

33=33

\frac{3x}{{\color{#c92786}{3}}}=\frac{3}{{\color{#c92786}{3}}}33x=33

5

Simplify

Cancel terms that are in both the numerator and denominator

Divide the numbers

=1

x=1x=1

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Solution

=1

Answer 2

${\huge{\boxed{\sf{\blue{Answer}}}}}$

$3(x + 2) = 9 \\ 3x + 6 = 9 \\ 3x = 9 - 6 \\ 3x = 3 \\ x = \frac{3}{3} \\ x = 1$

Hope it helps :)