3x+y=-5
12x+5y=27
Let y =-5-3x
Insert y into equ.2
12x+5(-5-3x)=27
12x-25-15x=27 den rearrange
-3x=2 den x =-2/3
Den put xinto equ 1
3(-2/3)+y=5
-2+y=5(collect like terms)
Y =7
You need to add what the lines are if you want them to be analysed for you^^
Answer:
90
Step-by-step explanation:
720 divide by 8
then times it by 1
Answer:
Rectangle= lw (length times width)
Square= a²
Parallelogram=bh (base times height)
Mercury has the greater density than that of Venus .