8z = 64
divide both sides with 8
8z ÷8 = 64÷8
therefore,
z = 8.
Here, (7 * 9) = (7 * 10) - (7 * x)
Here, Take 7 as a common factor according to distributive property:
= 7(10 - x)
Now, 10-x = 9
x = 10-9 = 1
In short, Your Answer would be 1
Hope this helps!
2x^2+3. the 2x cancel out and the rest is combining like terms
Answer:
under the condition of f(x)=x composite function is an identity one