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bazaltina [42]
3 years ago
8

(7+x)+7x=? equivalent expressions simplifying each expression

Mathematics
2 answers:
kolezko [41]3 years ago
8 0
It will be 8x+7
Hope this helps

Firlakuza [10]3 years ago
3 0
(7 + x) + 7x = ?

First, remove the parenthesis.

7 + x + 7x = ?

Add like terms.
Note: x = 1x

7 + 1x + 7x = 7 + 8x

Your answer is 7 + 8x, or 8x + 7.
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<img src="https://tex.z-dn.net/?f=3x%20%7B%20%7D%5E%7B2%7D%20%20%3D%20%20-%2054%20" id="TexFormula1" title="3x { }^{2} = - 54
valkas [14]

Answer:

No real solutions

Step-by-step explanation:

Divide both sides by 3

3x^3/3=-54/3

x^2=-18

Take square root

x=±√−18

4 0
3 years ago
What is the value of x
amm1812

Answer:

x=123

Step-by-step explanation:

x is across from the angle that measures 123 degrees. Therefore, they are vertical angles, and are congruent.

x=123

Additionally, 57 and x are on a straight line. This means they are supplementary and add to 180 degrees

57*x=180

Subtract 57 from both sides to get x by itself.

x=123

6 0
3 years ago
Write four related fact. use pictures to show how the number sentences are related.
sleet_krkn [62]
Division , timetable , adding , and subtracting
8 0
3 years ago
The measurement of an acute angle is (5w+8) solve for w​
laiz [17]

Answer:

w < 82/5

Step-by-step explanation:

5w + 8 < 90

5w < 82

w < 82/5

6 0
3 years ago
If f(x)=g(x)+k, describe the relationship between f(x) and g(x).
Alecsey [184]
K is constant. if you increase g(x) by x. f(x) also increases by x
5 0
3 years ago
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