Answer:
x = 10 is your answer
- Explain -
Step 1: subtract 1 from both sides (subtraction of equality)
which will give us:
2x = 21 - 1
which equals to
2x = 20
Step 2: Divide both sides by 2
which is
2x/2 = 20/2
2/2 = 1 and 20/2 = 10
Therefore the answer is x = 10
Answer:
N
Step-by-step explanation:
The second in the top row is this:
42.4-1.5(TIMES)3.1
42.4-46.5
-4.1
Answer:
See explanation
Step-by-step explanation:

By the distributive property this is equal to:

Hope this helps!
Answer:
130
Step-by-step explanation: