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lbvjy [14]
3 years ago
15

What is the answer to 7x+9=13+6x

Mathematics
2 answers:
Anastasy [175]3 years ago
7 0

X=4

Step-by-step explanation:

Solve for x by moving all terms to the left side

7x+9=13+6x

subtract 6x from both side

7x+9-6x=13

subtract 6x from 7x

x+9=13

subtract 9 from both sides

x=4

inna [77]3 years ago
6 0
The answer is 42x+ 19
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this is confused me so much is it supposed to be a trick or is that a actual question-

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3 years ago
This is the number part when a number and a variable are multiplied together in a term.
Irina-Kira [14]
It is the coefficient :) 
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Two of your friends, Matt and Karen, both run to you to settle a dispute. They were working on a math problem, and got different
Anna11 [10]
So in matt's equation, he made a mistake in the a transision from line 2 to line 3 
in line 2:  -4(-2)2
in line 3: -4(4) 
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also from lines 5 to 6 he made a mistake in order of opperations (mulit division then addition and subtract)
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3 years ago
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Instructions:Select the correct answer from each drop-down menu.
scZoUnD [109]

Answer:

Part A: Option A

Part B: Option C

Step-by-step explanation:

Given two points (7, 5) and (21, 15)

we have to find the slope of the line passing through above two points.

The slope of line can be calculated as

slope=\frac{y_2-y_1}{x_2-x_1}

m=\frac{15-5}{21-7}=\frac{10}{14}=\frac{5}{7}

Option A is correct.  

Part B: Also given another line with a slope that is one-third that of the slope of above and passes through the origin and the point

we have to find the point.

slope=\frac{1}{3}\times \frac{5}{7}=\frac{5}{21}

The equation of line becomes

y-y'=m(x-x')

y-0=\frac{5}{21}(x-0)

21y=5x

The point which satisfies the above equation passes through the line.

(3,5):21(5)=5(3) Not satisfied

(3,7):21(7)=5(3)  Not satisfied

(21,5):21(5)=5(21)  Satisfied

(21,7):21(7)=2(21)  Not satisfied

Hence, the line passes through the point (21, 5)

Option C is correct.

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3 years ago
What is this number in standard form 3 x 1,000,000 + 3 x 100,000 + 2 x 100
zvonat [6]
The answer is 3,300,200
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3 years ago
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