21, 18 1/2, 6.2, 1.75, -1/4, -1/2, -4,-5.9
20x+ 5y = 15
Move 20x to the other side. Sign changes from +20x to -20x
20x-20x+5y=-20x+15
5y=-20x+15
Divide both sides by 5
5y/5=y ( Cross out 5 and 5, divide by 5, 1*1*y=y)
-20/5=-4x
15/5=3
y=-4x+3 or y=3-4x
Answer: y=-4x+3 or y=3-4x
2n+3
i have to make word count so dont mind this lol... ehfilerflaeiurbgfiluq3filueiulsailflibs jkkbfbefvbif efieriebr efivbiefbfe ibeivbuoef
Answer:
One Real number solution
Step-by-step explanation:
check the discriminant
12^2 - 4*4*9
b^2 - 4ac
...
144 - 16*9 = 0
one double root
Answer:
Not a native English speaker, but ig this is what u want:
Step-by-step explanation:
6(3x+4)=15x+24
