Complete the solution of the equation. fine the value of y when x equals 4.
2 answers:
y = - 5
substitute the value of x = 4 into the equation and solve for y
- 12 + 9y = - 57 ( add 12 to both sides )
9y = - 45 ( divide both sides by 9 )
y =
= - 5
-3(-4)+9y=-57
12+9y=-57
9y=-57-12
9y=-69
9y/9=69/9
y=-23/3
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From general equation of a line;
y=mx+c
m=

m=

m=-1
y=-x+c
Finding value of c;
using point (-2,0)
0=-(-2)+c
c=-2
y=-x-2
Answer:
15.0175439
Step-by-step explanation: