Turn into improper fraction. which is 42/8 minus 31/8 you would get 11/ 8 turn tthat into proper fraction and get 1 3/8
Multiply through row 1 by -1:
Add 3(row 1) to row 3:
Multiply through row 2 by 1/5:
Add -1(row 2) to row 1:
Y = (-2)3 - 3
Y = -6 - 3
Y= -9
The answer is 31.4 I remember doing this
Answer:
17
Step-by-step explanation:
4a - 4 = 2a + 30
2a = 34
a = 17