Answer:
the answer is −4x+7
Step-by-step explanation:
yes
Answer: I cant tell which one is a or b or c or d but ill say its b
Answer:

Step-by-step explanation:
The correct steps to solve the equation are:


Because 
So, solving we get:

Sum 3 on every side:

Dividing by 2 into both sides:

So, the answer is 
Answer:

Step-by-step explanation:
You can make 1.4 as a fraction, and it will be the same but in a different form.
So, to make a decimal by a fraction, you make 1.4 into a whole number. 1.4 will be 14.
Now, the denominator will be 10.
So, when you simplify
, which is 
Answer:
328.4
Step-by-step explanation:
sorry I don't know the step by step