Solve for y 8(-2y-4)+12=-52
1 answer:
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Answer:
b. 30 > 2d
15 > d
c. 15/f < 5
15 < 5f
5 < f
d. 42 50 - m
42 + m 50
m 8
3x + 7 = x
First, subtract 3x from both sides. / Your problem should look like: 7 = x - 3x
Second, simplify x - 3x to -2x. / Your problem should look like: 7 = -2x
Third, divide both sides by -2. / Your problem should look like:
= x
Fourth, simplify to 
/ Your problem should look like: 
= x
Fifth, switch sides. / Your problem should look like: x =
Answer as fraction:
Answer as decimal: -3.5
First, subtract 3x from both sides. / Your problem should look like: 7 = x - 3x
Second, simplify x - 3x to -2x. / Your problem should look like: 7 = -2x
Third, divide both sides by -2. / Your problem should look like:
Fourth, simplify
Fifth, switch sides. / Your problem should look like: x =
Answer as fraction:
Answer as decimal: -3.5
For this problem we can use a proportion to solve.
Set up the proportion.
Cross multiply.
Divide.
So, it would cost $13,200 to have a 1,100 square foot roof installed.