Answer:
2
Step-by-step explanation:
<u>z² - y</u>
z + 2y
when y = 3, z = 5
substitute values:
= <u> 5² - 3 </u>
5 + 2*3
= <u> 22 </u>
= 22 / 11
= 2
-2(x + 6) + 3 = -11x + 4(x + 4)
-2x - 12 + 3 = -11x + 4x + 16
-2x - 9 = -7x + 16
5x = 25
<em>x = 5</em>
Hope this helps! :)
sometimes ....................
Answer: 245y^15
3
