Answer:
1, -4.5
Step-by-step explanation:
What do you mean by estimating the solution?
y=-6x+4
x-4(-6x+4)=19
x+24x-16=19
25x=25
x=1
1-4y=19
-4y=18
y=-4.5
The slope is 2/5. the y intercept is -2
Answer:
14
or 
Step-by-step explanation:
Turn your fractions into improper and make them have the same denominator
+
=
Leave it as is or simplify to 14
Answer:
a = -3.5
Explanation:
2 - 4a = 16
-4a = 14
a = -3.5