Expanding it, we get 1.3*8-1.3b+3.7b=-5.2 using the distributive property. Next, we get 10.4+2.4b=-5.2. Subtracting 10.4 to both sides, we get -15.6=2.4b. Dividing 2.4 from both sides, we get b=-15.6/2.4=-6.5
Answer: Please, see the attached file.
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Solution:
We can graph using the intercepts:
(1) y-intercept, when x=0
y=4x-3→y=4(0)-3→y=0-3→y=-3
Point=(x,y)=(0,-3)
(2) x-intercept, when y=0
y=4x-3→0=4x-3
Solving for x: Adding 3 both sides of the equation:
0+3=4x-3+3
3=4x
Dividing both sides of the equation by 4:
3/4=4x/4
3/4=x
x=3/4=0.75
Point=(x,y)=(3/4,0)=(0.75,0)
With these pair of points (0, -3) and (0.75,0) we can draw the right line
Answer:
4+2b=5+5b+20
<=> -3b=21
<=> b=-7
Step-by-step explanation:
<=> 4+2b=5+5b+5×4
<=> 4+2b=5+5b+20
<=> 2b-5b=5-4+20
<=> -3b=21
<=> b=-21/3
<=> b=-7