Question

7. If 4(x + 3) - 2(x - 5) = 30, then x equals
(a) 5
(b) 3
(c) 4
(d) 2
​

Answer 1

Answer:

we have,

$4(x + 3) - 2(x - 5) = 30$

$= > 4x + 12 - 2x + 10 = 30$

$= > 4x - 2x + 12 + 10 = 30$

$= > 2x = 30 - 22$

$= > 2x = 8$

$= > x = \frac{8}{2}$

$= > x = 4$