Question

If x + (x + 7 ) + (x + 14) = 84 , then x =______

Answer 1

Answer:

$x + (x + 7) + (x + 14) = 84$

$3x + 21 = 84$

$3x = 63$

$x = \frac{63}{3}$

$x = 21$

Answer 2

Step-by-step explanation:

x +(x+7) +(x+14)=84

x + x +7 + x + 14 = 84

3x +21 =84

3x = 84-21

3x = 63

x=63÷3

x=21