Answer:
B. 6x^{2}+6y^{2}=144
Step-by-step explanation:
Answer:
Simplifying
5x + x = 54
Combine like terms: 5x + x = 6x
6x = 54
Solving
6x = 54
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Divide each side by '6'.
x = 9
Simplifying
x = 9
Step-by-step explanation:
5/9, 9/9, 15/9, 15/9, 24/9. hope this helped.
