Answer:
7 is a solution.
Step-by-step explanation:
Step 1: Write equation
5x + 7 = 42
Step 2: Solve for <em>x</em>
- Subtract 7 on both sides: 5x = 35
- Divide both sides by 5: x =7
Answer:
f(-4) = -2
Step-by-step explanation:
To find f(-4) use the "piece" of the function rule defined for x < -3 (because -4 is less than -3). That part of the rule says the output (range) value is x + 2, so f(-4) = -4 + 2 = -2.
Answer:
robert is 12 years old
Step-by-step explanation:
robert's age=x
40=3x+4
that's the equation
40=3x+4
=36=3x
x=12
Sure! What’s the question (sorry if you provided an image I appear to not be able to see it)
Answer:
7
Step-by-step explanation:
The coefficient is the number that comes before the variable
7<u>x</u>+14
In this case, the variable is x.
The number that comes before x is 7, so 7 is the coefficient.
Hope this helps! :)
