-2a + 3b = 9 / x 2;
-4a + 6b = 18;
Then, -4a + 6b = 18
+4a - 2b = 3
__________________(+)
We obtain 4b = 21;
b = 21/4;
-2a + 63/4 = 9;
-8a + 63 = 36;
-8a = - 27;
a = 27/8 ;
y=6x/5 -1/5 this the answer i got
Answer:
488
Step-by-step explanation:
Answer:
Length: 23m
Width: 11
Step-by-step explanation:
68-24=44
44÷4=11
11+12=23
23+23=46+11=57+11=68