Question

3 (x-3) = 15

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Answer 1

Answer:

If x = 8 then 3 (x-3) = 15

Step-by-step explanation:

3(x - 3) = 15

Multiply 3 by (x - 3)

3x - 3(3) = 15

3x - 9 = 15

Add both side of 9

3x - 9 + 9 = 15 + 9

3x = 24

x = 24/3

x = 8

Verification

LHS = 3 (x - 3)

= 3 (8 - 3)

= 3(5)

= 15

= RHS

Hence 3(x - 3) = 15 if x = 8.

Answer 2

Answer:

The value of x in the equation 3 (x-3) = 15 is 8

Step-by-step explanation:

the equation is,

3 (x-3) = 15

dividing both sides by 3,

$\frac{3(x-3)}{3}$ = $\frac{15}{3}$

so we will get,

x- 3 = 5

adding 3 on both sides,

x-3+3 = 5+3

therefore we will get,

x=8