-4x + 7 = 11
First, subtract 7 from both sides. / Your problem should look like:
Second, subtract 11 - 7. / Your problem should look like:
Third, divide both sides by -4. / Your problem should look like:
Fourth, change the fraction to a negative. / Your problem should look like:
Fifth, cancel 4 out. / Your problem should look like:

Answer:
x = -1
First let's find their current ages:
Billy + 6years = Amy
Billy + Amy = 22
Combining these equations:
Billy + (Billy + 6years) = 22
2 Billy = 16
Billy = 8
Billy + 6 = Amy
8 + 6 = Amy
Amy = 14
In 8 years Billy will be 16 and Amy will be 22. The answer is d.
Answer:
Runner-up: $15,000
Winner: $75,000
Step-by-step explanation:
Let's create an equation for this problem.
Let x=the amount the runner-up receives
Let 5x=the amount the winner receives
Then,
x+5x=90,000
6x=90,000
x=15,000
5x=75,000
If it starts with 0.12 it is false.
But if it starts with 0.009 it is true.
Answer: a = 0.91421
Step-by-step explanation:
Hi! I'm assuming this question is using degrees for sin and not radians, let me know if that's right!
The equation seems a bit weird, but
a is approximately 0.91421
if you go to wolframalpha site, you can plug in this equation to the website and receive an answer !