<u>1 + 4x = -5 + 7x</u>
1st step: you need to move 4x to the right and -5 to the left so that all the x's are in one place. 4x will be negative and -5 will be positive when you move them. So it will be:
1+5=7x-4x
2nd step:
3x=6
3rd step: you need to divide both sides into 3, because it is the common divisor.
x=2
<h2>
To sum up:</h2>
<em>1 + 4x = -5+7x</em>
<em>7x - 4x = 1 + 5</em>
<em>3x = 6</em>
<h2>
<em>x = 2</em></h2>
You can try to memorize the summary. However, it is better to understand the solution as a whole.
Answer:
b) Is associated with motor impairment but does not cause it
Step-by-step explanation:
The study didn't explain the timeline of their findings, so we can conclude this research takes data at one time. Research that doesn't take before and after exposure data cannot be used to derive causation since we can't prove that the condition happens after the exposure. But this study still can predict association by risk ratio or odds ratio depends on the study design.
Step-by-step explanation:
We can turn this into an equation.
Let’s denote the amount of money James makes as X.
Then Lin makes X + 3100.
Together they make 81960.
So combine their earning expressions.
X + X + 3100 = 81960
Solve for X
X = 39430
So James makes $39430 since his earnings are demoted by x.
Lin then makes 3100 + 39430, which is $42530.
Answer:
2/5a + 4b + 1/6c
Step-by-step explanation:
- Distribute 1/5 throughout the parentheses (multiply it by each term enclosed in the parentheses) --> this gives you 2/5a -3b + 1/6c + 7b
- Then you just combine like terms to get your answer. In this case, the only like terms you need to combine are -3b and 7b to get -3b
