Answer:
<h2>x = 3</h2>
Step-by-step explanation:

Answer:
Pic 1: 
Pic 2: 
Step-by-step explanation:
<u>Picture 1:</u>
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First, add the 2x and x together for 3x
Then add 3 to both sides of the equation
Finally, divide each side by 3.
<u>Picture 2:</u>
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<u />
First, add 7x and x together for 8x
Then, minus 20 from both sides of the equation
Finally, divide each side by 8.
Answer: 10
Step-by-step explanation:
f(x)= 3 (2) - x + 6
f(x)= 6 - 2 + 6
f(x)= 4 + 6
f(x) = 10