Her work is incorrect because she accidentally changed -14 to -7 in the second step.
Working it out from the top we get
(x-14)+11=x-(x-4)
x-14+11=x-x+4
x-3=0+4
Final answer:
x=7
Hope I helped :)
Step-by-step explanation:
-8 ( - 5 + 13) + 2 : 1 x 2
-8 ( 8) + 2 : 2
-64 + 1
-63
Answer:
z = -4 1/2
Step-by-step explanation:
1. First change the mixed fractions to improper fractions so it's easier

2. Simplify

3. Cross multiply

4. Simplify again (distributive property)

5. Distributive property


6. Subtract 32 from both sides

7. Simplify

8. Subtract 80 from both sides

9. Simplify

10. Divide both sides by 16

11. Simplify

Sorry if it was too long but hope this helps! :)
And also try using symbolab cuz it gives step by step explanations it's really good!
I don't understand it. Explain more.