a = 2x + 6xz
a = x(2 + 6z) <em>factored out "x" on right side</em>
a/(2 + 6z) = x <em>divided both sides by (2 + 6z)</em>
Answer: x =
Answer:
9
Step-by-step explanation:
6+x, when x = 3
6+(3)
6+3=9