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noname [10]
3 years ago
7

(7a – 6) + 3.- 8a – (-2a +5).

Mathematics
1 answer:
mixer [17]3 years ago
7 0

Answer:

a - 8

Explanation:

7a−6+3−8a−(−2a+5)

Distribute the Negative Sign:

=7a−6+3−8a+−1(−2a+5)

=7a+−6+3+−8a+−1(−2a)+(−1)(5)

=7a+−6+3+−8a+2a+−5

Combine Like Terms:

=7a+−6+3+−8a+2a+−5

=(7a+−8a+2a)+(−6+3+−5)

=a + −8

Answer:

= a − 8

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Drag a statement or reason to each box to complete this proof.
ololo11 [35]

Answers:


1) -3(x + 8) = -21

2) Division Property of Equality

3) x + 8 = 7

4) Subtraction Property of Equality


Reasoning:


You are already given the equation, so that will be #1 in the Given.

#2 shows both sides being divided by -3, so you will put the Division Property of Equality.

#3 shows the Division Property after it is carried out, so you will put the equation after the division is done.

#4 shows you are subtracting 8 from both sides, so put the Subtraction Property of Equality.

5 0
4 years ago
A diagram shows circles to represent the populations of various countries in the world. The circle for India has a radius of 3.2
Naily [24]
I think the population of china is around 17%
5 0
3 years ago
What is the domain and limit(s) of f(x)=1/x+3?
SVEN [57.7K]
Find the domain by finding where the function is defined. The range is the set of values that’s correspond with the domain
7 0
2 years ago
William got scores of q sub 1, , and q sub 3 on three quizzes.
USPshnik [31]

Answer:

a. The average is  =(++) .

b. He can use the formula  =−− q sub 3 , equals 3 x minus , q sub 1 , minus , q sub 2. He will need a score of  =()−−= q sub 3 , equals 3 open 90 close minus 85 minus 88 equals 97 on his third quiz.

Step-by-step explanation:

3 0
3 years ago
Find the slope between the two points given. Then, use the slope and Point One to write the equation of the line in Point-Slope
ratelena [41]

The equation in point slope form is given as y+3 = -5/8(x-4)

<h3>Equation of a line</h3>

The formula for calculating the equation of a line in point-slope form is expressed as:

y-y1= m(x-x1)

Given the coordinate point

Slope = 2-(-3)/-2-4
Slope = 5/-8

Determine the equation

y-(-3) =-5/8(x-4)

y+3 = -5/8(x-4)

Hence the equation in point slope form is given as y+3 = -5/8(x-4)

Learn more on equation of a line here: brainly.com/question/18831322

#SPJ1

5 0
2 years ago
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