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frosja888 [35]
3 years ago
11

PLEASE HELP!! answer the question in the photo

Mathematics
1 answer:
Ivan3 years ago
3 0
The answer will either be E or 38
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What is the answer<br>2x+3x-7=42​
Studentka2010 [4]

Answer:

x = \frac{49}{5} or 9.8

Step-by-step explanation:

First, combine like terms. Like terms are terms with the same amount of the same variable.

(2x + 3x) - 7 = 42

5x - 7 = 42

Isolate the variable, x. Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS. PEMDAS is the order of operations, and stands for:

Parenthesis

Exponents (& roots)

Multiplications

Divisions

Additions

Subtractions

~

First, add 7 to both sides of the equation:

5x - 7 (+ 7) = 42 (+ 7)

5x = 42 + 7

5x = 49

Next, divide 5 from both sides of the equation:

(5x)/5 = (49)/5

x = 49/5

x = 9.8

7 0
2 years ago
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The contour plot of is shown below. determine if the given quantity in each part is positive, negative, or zero.
Reptile [31]
There is no contour plot shown below.
7 0
3 years ago
Plz can someone help me with number 5?
Anettt [7]

Answer:

77

Step-by-step explanation:Trust

7 0
3 years ago
If DF= 9x-39, find EF.
Blizzard [7]

4.333333

Hope this helps

8 0
3 years ago
2x+5+12=2x+2+14 <br><br>how would I solve this?​
prohojiy [21]

Answer:

this statement is false.

Step-by-step explanation:

cancel equal terms

add the numbers (5+12) (2+14)

17=16

not true.

3 0
3 years ago
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