Question

2. Find the value of ‘x’ if:
a) x = 72,
7
4
b) 7x = 3x + 8

Answer 1

Answer:

$7x = 3x + 8$

$4x = 8$

$x = 2$

Answer 2

Step-by-step explanation:

$7x = 3x + 8$

$7x - 3x = 8$

$4x = 8$

$x = \frac{ \cancel{8}}{\cancel4}$

$x = 2$