-0.8x-8.3=12.6
+8.3 +8.3
-0.8x=21
Divide by -0.8x on both sides
X=-26.25
-5.8+4.2-3.1+1.4c = -5.8c+1.4c + 4.2-3.1 = -(5.8-1.4)c + 1.1 = -4.4c + 1.1 = 1.1 - 4.4c
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Hey there, below you will find the work and answer to your question.
2x-5=4
First lets get the 2x by itself so we have to add 5 on both sides.
2x-5=4
+5 +5
2x=9
Now we need to get the X by itself so divide each side by 2

Now we are left with the following
X=

We must simplfy the fraction
2 will go into 9 four times with 1 left over. So the mixed fraction answer would be:
x=

As a decimal you would just divide 9 and 2
x=4.5
Hope this helped!
Answer:
4.62 sq ft
Step-by-step explanation:
Area of rectangle = 2.5 x 1 = 2.5
To get area of triangle we must use the altitude theorem to find the height:
let 'x' = altitude (or height)
x/1.5 = 2/x
cross-multiply to get:
x² = 3
x = 
Area of triangle = 1/2(2.5)(
)
= 1.25
which is approx 2.12
Total area = 2.5 + 2.12 = 4.62