Answer:
x=19
Step-by-step explanation:
Answer:
ds hj bfsj gjhbyuabfdbsybfy
Step-by-step explanation:
sdbhabjbgfybsbfsad gfhysabfubdfr
6x+12y-6z+7x7y-28z= 13x+19y-34z
if x = 3
3 > -1, and so you use the x² formula.
Plug in 3 for x
x² = (3)²
Simplify
3² = 3 x 3 = 9
9, or (A), is your answer
hope this helps
