Question

0.5x + 4 + 0.9x = x + 5

Answer 1

Answer:

x=2.5

Step-by-step explanation:

Answer 2

Answer:

$0.5x + 4 + 0.9x = x + 5$

collect like terms together:

$0.5x + 0.9x - x = 5 - 4 \\ x(0.5 + 0.9 - 1) = 1 \\ 0.4x = 1 \\ x = \frac{1}{0.4} \\ \\ { \boxed{ \boxed{x = 2.5}}}$