Answer: true
Step-by-step explanation:
Answer:
x=1/2y+2
Step-by-step explanation:
−4x+2y=−8
Step 1: Add -2y to both sides.
−4x+2y+−2y=−8+−2y
−4x=−2y−8
Step 2: Divide both sides by -4.
−4x
−4
=
−2y−8
−4
Answer:
Mary's mistake was that she didn't take into account of the power that 10 is raised to; since 2.01 is multiplied by 10 to the 6, it makes 2.01 bigger. You can also expand the number to check:
2 010 000 vs. 4800
⇒ 
Subtracting the two equations, you get 
.
Therefore, y=2.
Plugging in y=2, you get x=8.
Therefore, the solution is (8,2)
<h3>
Answer:</h3>
6x - 9(-4x + 8) = 12
<h3>
Step-by-step explanation:</h3>
Solving the first eqution for y, you have
... y = -4x +8
Substituting that into the equation
... 6x -9y = 12
you have ...
... 6x -9(-4x +8) = 12 . . . . . . . matches the 3rd choice.
_____
<em>Comment on the question</em>
The given equation is 6y -9y = 12, something entirely different from 6x -9y = 12. None of the answer choices apply to the equations given in your problem statement.
