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Vika [28.1K]
2 years ago
15

What is the value of x in the equation –7 = 3x – 15 – 7x?

Mathematics
1 answer:
zmey [24]2 years ago
4 0

Answer:

Generally, the algebraic expression should be any one of the forms such as addition, subtraction, multiplication and division. To find the value of x, bring the variable to the left side and bring all the remaining values to the right side. Simplify the values to find the result.

Step-by-step explanation:

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What is the answer and work for these attached below
GrogVix [38]
-4(-5-b)=1/3(b+16) Multiply both sides by 3 to get rid of the fraction
-12(-5-b)=b+16  distribute the -12 to get rid of the parenthesis 
60+12b=b+16  get the b on the left side and non b values to the right side
11b=-44 solve for b
b=-44/11 simplify the fraction
b=-4

3/5(t+18)=-3(2-t)   multiply both sides by 5/3 to get rid of thefraction
t+18=-5(2-t)   distribute the -5 to get rid of the parenthises
t+18=-10+5t  get the t to the left side and non t values to the right
-4t=-28  solve for t
t=7
5 0
4 years ago
Abraham told his friends to try and guess his number. He said that when you take his number and multiply it by 4 and add 12 you
lisov135 [29]

Answer:

C) 22

Step-by-step explanation:

I have set up an equation based off of what Abraham said.

(n*4)+12=100\\\\4n+12=100\\\\4n+12-12=100-12\\\\4n=88\\\\\frac{4n=88}{4}\\\\\boxed{n=22}

The number should be 22.

Hope this helps.

Hope this helps.

8 0
3 years ago
Read 2 more answers
What is the value of the expression? 8 x (-4.8) divided by (-4)
valentina_108 [34]
The answer is D.9.6. This is because you multiply 8 x (-4.8)= -38.4 and since you divided it by another negative it becomes positive. Hope this helped.
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6 0
3 years ago
Read 2 more answers
Can you turn 1.55% as a Decimal and a Fraction in simplest form? Thanks!
bagirrra123 [75]
<span>0.0155 as a decimal 
31/2000 as a fraction

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8 0
3 years ago
The temperature one morning was 72.5*C it was 5.5 degrees warmer by noon and the temperature dropped 8.25 degrees by early eveni
cluponka [151]
72.5 + 5.5 = 78

78 - 8.25 = 69.75

Warmer means good up and colder means going down
8 0
3 years ago
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