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nasty-shy [4]
3 years ago
12

What is the solution to the equation 2^х+4 – 12 = 20 Please help timed !!!

Mathematics
2 answers:
Vinil7 [7]3 years ago
6 0

Answer:

Step-by-step explanation:Step  1  :

Equation at the end of step  1  :

 2 • (x - 4) -  12  = 0

Step  2  :

Step  3  :

Pulling out like terms :

3.1     Pull out like factors :

  2x - 20  =   2 • (x - 10)

Equation at the end of step  3  :

 2 • (x - 10)  = 0

Step  4  :

Equations which are never true :

4.1      Solve :    2   =  0

This equation has no solution.

A a non-zero constant never equals zero.

Solving a Single Variable Equation :

4.2      Solve  :    x-10 = 0

Add  10  to both sides of the equation :

                     x = 10

One solution was found :

                  x = 10

Lina20 [59]3 years ago
4 0

Answer:

x=10 Hope this helps!

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