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Anon25 [30]
3 years ago
9

Combine terms: 12a + 26b -4b – 16a

Mathematics
2 answers:
liq [111]3 years ago
7 0

Answer:

<h2>-4a + 22b</h2>

Step-by-step explanation:

combine terms: 12a + 26b -4b – 16a

  • 12a - 16a + 26b - 4b
  • -4a + 22b

Sergeu [11.5K]3 years ago
4 0

Answer:

-4a+22b

Step-by-step explanation:

If you add the terms with "a" (12a and -16a) you get -4a.

If you add the terms with "b" (26b and -4b) you get a positive 22b.

You can write the answer as -4a+22b or 22b-4a.

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7 0
3 years ago
The solution to -2[1 - 4x] = 3x + 8 is
kvasek [131]

Answer:  " 14 " .

________________________

     →  " x = 14 " .

________________________

Step-by-step explanation:

________________________

First, let us simplify the expression on the "left-hand side" of the equation:

  →  -2(1 −4x) ;

________________________

Note the "distributive property of multiplication" :

      →  a(b + c)  =  ab + ac  .

________________________

As such, we can rewrite:  

      → -2(1 − 4x)  = (-2)(1) + (-2)(-4x) ;

                         =  - 2 + 8x ;

                       ↔  8x − 2 ;

________________________

Now, rewrite the entire expression:

 →  8x − 2 = 3x + 8 ;

________________________

Subtract "(3x)" from each side of the equation;

      and add "2" to each side of the equation:

________________________

 →  8x − 2 − 3x + 2 = 3x + 8 − 3x + 2 ;

to get:  

 →   5x = 10 ;

Now, divide each side of the equation by "5" ;

  to isolate "x" on side of the equation;

      & to solve for "x" ;

________________________

 →  5x/5 = 10/5 ;

to get:

________________________

 →  x = 2 .

________________________

Now, let us check our work:

________________________

Plug in "2" for all "x-values" into the original equation;

to see if the equation holds true;

that is, to see if each side of the original equation given has the same value;  

      when "x = 2" :

________________________

Note the given equation:

________________________

   →   -2[1 − 4x] = 3x + 8 ;

________________________

Start with the left-hand side:

   →  -2[1 − (4*2)} = -2(1 − 8) = -2(-7) = 14 .

Now, continue with the right-hand side:

   →  3(2) + 8 = 6 + 8 = 14 .

___________________________________

   → 14 =? 14 ??? ;  Yes!

___________________________________

Hope this is helpful to you!

___________________________________

5 0
3 years ago
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Elina [12.6K]
1885722.484 is your answer

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Answer:

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3 0
3 years ago
Find the real solution(s) of the following equation.
nydimaria [60]

Answer:

a=9

Step-by-step explanation:

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Taking the cube root of each side

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2 years ago
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