Minus the 21 from the other side of the equation making it 7x=-21 then u divide the 7 from the x to the -21 resulting in x=-3
Answer:
6, 8, 10
Step-by-step explanation:
x y and z are three consecutive even numbers
it means that you can write y = x + 2
and z = y + 2 = x + 4
so


so the solutions are
x = 6
y = 8
x = 10
Answer:
<em>f(g(x)) = </em>
<em> ; g(f(x)) = 7x - 30</em>
Step-by-step explanation:
the answer to the equation is fifteen