Question

Solve for x. X + 0.60(15) = 0.80(x + 15)

Answer 1

$x+0.60(15)=0.80(x+15)\ \ \ \ |\text{use distributive property}\\\\x+9=0.80x+12\ \ \ \ |-9\\\\x=0.8x+3\ \ \ \ |-0.8x\\\\0.2x=3\ \ \ \ |\cdot5\\\\\boxed{x=15}$

Answer 2

Answer: D 15

Step-by-step explanation: