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tensa zangetsu [6.8K]
2 years ago
5

Make x the subject 3x-a=2x-5

Mathematics
1 answer:
VikaD [51]2 years ago
3 0

Answer:

x = a - 5

Step-by-step explanation:

3x - a = 2x - 5 ( subtract 2x from both sides )

x - a = = 5 ( add a to both sides )

x = a - 5

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Solve for a: 5(a+5)-3=3(2-a)
ivann1987 [24]

Simplify:

5(a + 5) + -3 = 3(2 + -1a)

Reorder the terms:

5(5 + a) + -3 = 3(2 + -1a)

(5 * 5 + a * 5) + -3 = 3(2 + -1a)

(25 + 5a) + -3 = 3(2 + -1a)

Reorder the terms again:

25 + -3 + 5a = 3(2 + -1a)

Combine like terms:

]25 + -3 = 22

22 + 5a = 3(2 + -1a)

22 + 5a = (2 * 3 + -1a * 3)

22 + 5a = (6 + -3a)

Solve:

22 + 5a = 6 + -3a

To solve for variable 'a':

You have to move all terms containing A to the left, all other terms to the right.

Then add '3a' to each side of the equation:

22 + 5a + 3a = 6 + -3a + 3a

Combine like terms:

5a + 3a = 8a

22 + 8a = 6 + -3a + 3a

Combine like terms again:

-3a + 3a = 0

22 + 8a = 6 + 0

22 + 8a = 6

Add '-22' to each side of the equation.:

22 + -22 + 8a = 6 + -22

Combine like terms:

22 + -22 = 0

0 + 8a = 6 + -22

8a = 6 + -22

Combine like terms once more:

6 + -22 = -16

8a = -16

Divide each side by '8'.

a = -2

Simplify:

a = -2

Answer: a=-2

Hope I could help! :)

8 0
3 years ago
Read 2 more answers
There are three people in Lee's family.
trasher [3.6K]

Lee's shoe size would be a 9

9 6 6

Range = biggest value - smallest value

9-6 = 3

8 0
2 years ago
Write the expression for 5 minus q
levacccp [35]

Answer:

5 - q

Step-by-step explanation:

the term minus indicates a sign of subtraction, which looks like this

-

Therefore, the expression is 5 - q

8 0
2 years ago
What fractions are equivalent to 40
Triss [41]

40/1 = 80/2 = 120/3 = 160/4 = 200/5 = 240/6 = 280/7 = 320/8 = 360/9 = 400/10 = 440/11 = 480/12 = 520/13 = 560/14 = 600/15 = 640/16 = 680/17 = 720/18 = 760/19 = 800/20

If that helps?

4 0
3 years ago
Read 2 more answers
A wheelchair ramp with a length of 109 inches has a horizontal distance of 91 inches. What is the ramp's vertical distance?
Viktor [21]

Answer:

the ramp's vertical distance is <u>60</u>

Step-by-step explanation:

Think about what a ramp looks like from the side (right triangle). Use the Pythagorean Theorem.

H2 = a2 + b2

The wheelchair ramp (hypotenuse) is given to be 109, if one of the sides is 91, simply plug in the numbers and solve for the other side.

(109)^{2} = (91)^{2} + b^2

11881 = 8281 + b^2

3600 = b^2

\sqrt{3600} = b

60 = b

Hope this helps!

7 0
3 years ago
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