12.68 is the answer to this question
Answer:
false
Step-by-step explanation:
<u>Step :1</u>
Given x- 2 y =5 .......(1)
put x=1 and y= -3 on left hand side of given equation
1 - 2 (-3) = 5
1 + 6 = 5
7 ≠ 5
both sides are not equal
so it is false
Answer:
1)c 2)b 3)c 4)a
Step-by-step explanation:
1)x+5+11x-5
12x
2)5+11-6
10
3)4x+2-6x
-2x+2
4)12-3-4
5