From the second:
2x-y=4
x=(4+y)/2 and applying this to first:
4+y+3y=12
4y+4=12
4y=8
y=2 and since x=(4+y)/2, x=3 so
x+y=2+3=5
Answer:
110
Step-by-step explanation:
you place 30 in the place of X, and it becomes 4×30-10. in PEMDAS, multiplication goes first and 4×30=120. 120-10=110
Step-by-step explanation:
91011121314671234567891p
Answer:
60%
Step-by-step explanation:
36/60 x 100= 60%
You can only show 2 halves in a square, because the definition of a half is that there are 2 parts.