Question

directions: simplify each expression.

1. \\((10x + 5y) - (9x - 5y)\\)

Explanation:

Step1: Distribute the negative sign

$10x + 5y - 9x + 5y$

Step2: Combine like x terms

$(10x - 9x) + 5y + 5y = x + 5y + 5y$

Step3: Combine like y terms

$x + (5y + 5y) = x + 10y$

Answer:

$x + 10y$