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asambeis [7]
2 years ago
8

7-x4-2x can you help me

Mathematics
1 answer:
lukranit [14]2 years ago
3 0

Answer:

=7-6x

Step-by-step explanation:

7-x 4-2x

=7-6x

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Solve for x.<br><br> -5x = -10
andreev551 [17]

Answer:

x=2

Step-by-step explanation:

divide -5 to both sides to isolate the x. two negatives make a positive therefore x=2.

i hope this helps :)

6 0
2 years ago
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What is the answer for 144=-12(x+5) must show work
miskamm [114]

Answer:

<h2>x = -17</h2>

Step-by-step explanation:

-12(x+5)=144\qquad\text{divide both sides by (-12)}\\\\\dfrac{-12(x+5)}{-12}=\dfrac{144}{-12}\\\\x+5=-12\qquad\text{subtract 5 from both sides}\\\\x+5-5=-12-5\\\\x=-17

8 0
3 years ago
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Solve for x: 3(x + 1) = −2(x − 1) − 4.
Vlad [161]

Answer:

Multiply the first bracket by 3

Multiply the second bracket by -2

3x+3=-2x+2-4

3x+2x+3=-2x-2   negative (-) number and positive number (+)= negative number

Just rearranging

5x+3=-2

5x+3-3=-2-3

5x=-5

Dividing by 5

5x/5=-5/5

x=-1

Check answer by using substitution method

3(-1+1)=-2(-1-1)-4

0=-2(-2)-4 negative number and negative number = positive number

0=4-4

0=0

Answer is x=-1

6 0
3 years ago
Let f(x) = 1/x. Find a number b so that the average rate of change of f on the interval
Bezzdna [24]

Answer:

huh try multiplying

Step-by-step explanation:

6 0
3 years ago
A house repair costs 5000 for materials and 200 per hour. Write an equation for the cost c as a function of the hours worked, t
Crank
The answer for this would be
C = 5000 + 200t
4 0
3 years ago
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