Answer:
Cool
Step-by-step explanation:
x + 4 = 12 Subtract 4 on both sides to get "x" by itself
x + 4 - 4 = 12 - 4
x = 8
Answer:
5 and 1/5
Step-by-step explanation:
it is written like this 4 and 6/10 + 6/10
so its 4 and (6+6) 12/10
12-10= 2 = 1 and 1/5
4 +1= 5
so now you have 5 and 1/5
YaYYYY hun xD
So y+x=2
x-y=4
one way is subsituteion where yousubisutte one of the number for another exg
x-y=4
add y to both sides
x=y+4
subsitute y+4 for x in x+y=2
y+4+y=2
2y+4=2
subtract 4 from both sides
2y=-2
divide both sides by 2
y=-1
subsiutte
x+y=2
x-1=2
x=3
or elimination
x+y=2
x-y=4
add the two equations and cancel the y terms
x+x+y-y=2+4
2x=6
divide both sides by 2
x==3
subsitute
x+y=2
3+y=2
y=-1
so x=3
y=-1
