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angelalovelis
04.08.2019 •
Mathematics
Answer quick and i will mark quinda begins to solve the equation -4.5x+3=2-8.5x by adding 8.5x to each side of the equation. which next step would result in the variable terms and constant terms being on different sides of the equals sign? -subtract 4x from both sides. -subtract 2 from both sides. -add 4x to both sides. -subtract 3 from both sides.
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Ответ:
The correct option is D) Subtract 3 from both sides.
Step-by-step explanation:
Consider the provided equation
Step 1:
Now add 8.5x to each side of the above equation.
Add the like terms.
Step 2:
Now to isolate the variable we need to subtract 3 from both the sides.
We need to find the next step that result in the variable terms and constant terms being on different sides of the equals sign.
Thus, the required step is "Subtract 3 from both sides."
Hence, the correct option is D) Subtract 3 from both sides.
Ответ:
We need to simplify the expression![3x(x-12x)+3x^2-2(x-2)^2](/tpl/images/0411/3939/2658c.png)
First we remove the parentheses
Now, we group the terms together
Then
Observe that
1. the term
was simplified by first squaring the expression x-2. Then a. is true.
2. The parenthesis were eliminated through multiplication of a coefficient by the term. Then c. is true.
3. Note that after multiplying and eliminating the parentheses we group the terms together and then add and subtract. Then b. is true
4. d. is false because the final simplified product is![-32x^2+8x-8](/tpl/images/0411/3939/a6575.png)