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natita [175]
3 years ago
6

Please solve, m +5=-m-2-5m+7?​

Mathematics
2 answers:
Fynjy0 [20]3 years ago
7 0

Answer:

\Huge \boxed{m=0}

Step-by-step explanation:

m +5=-m-2-5m+7

Adding m and 5m to both sides of the equation.

m +5+m+5m= -m-2-5m+7+m+5m

Subtracting 5 from both sides of the equation.

m +5+m+5m-5=-2+7-5

Combining like terms and simplifying.

7m=0

Dividing both sides of the equation by 7.

m=0

Harlamova29_29 [7]3 years ago
5 0

Answer:

m = 0

Step-by-step explanation:

m + 5 = - m - 2 -5m + 7

m + 5 = -m - 5m - 2 + 7

m + 5 = -6m + 5  (combine like terms)

m = 0

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3 years ago
What happens to the value of the expression 150-j150−j150, minus, j as jjj decreases?
nikklg [1K]

Answer:

The value of the expression increases as j decreases

Step-by-step explanation:

Let f(j) = 150 - j150 - j150

f(j) = 150 - j300

As j decreases, the value of j300 decreases (i.e the farther j300 is from 150). Due to the wider gap between 150 and j300, the value of f(j) increases.

For example:

When j = 1, f(j) = 150 - (300*1) = -150

When j = 0.5, f(j) = 150 - (300*0.5) = 0

When j = 0. f(j) = 150 - (300*0) = 150

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4 0
4 years ago
If a line passes through the points (-5,-4) and (3,-1), the equation of the line is?
Ratling [72]

answer: y = 1.5x - 5.5

explanation:

use y = mx +b to model your equation

(m = slope, b = y-intercept)

let's start by finding slope

to find slope, subtract the y values over the x values.

- 4 - (-1) / - 5 - (-3)

solve and simplify.

 -3 / -2

two negatives equals a positive, so convert into a decimal and remove the negative

you get 1.5.

now, plug the slope a y and x value into the equation to find b, the missing value.

-1 = 1.5(3) + b

-1 = 4.5 + b

-5.5= b

so, your equation is y = 1.5x - 5.5.

3 0
3 years ago
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