mary590 mary590
  • 23-05-2019
  • Mathematics
contestada

Solve the exercise : 2x + 5 = 13

Respuesta :

Аноним Аноним
  • 23-05-2019

Answer:

2x+5=13

2x+5-5=13-5

2x=8

Divide by 2

2x/2=8/2

x=4

Check answer:

By using substitution method

2x+5=13

2(4)+5=13

8+5=13

13=13

Answer is x=4

Answer Link
alycialeonardo23 alycialeonardo23
  • 23-05-2019

Answer: the answer is 4

Step-by-step explanation:

first you have to cancel out the 5 so you subtract 5 and you have to do that on both sides so then you subtract 5 from 13 which is 8 and then your left with 2x=8 and from their you just divide 8 by 2 which is 4 :)

Answer Link

Otras preguntas

Jack had 50 sweets he dropped 6 and gave away 4 and cut 7 in half how many did he have?
Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution. Please explain how you got
Nancy sells handcrafted bracelets at a flea market for $6. If her monthly fixed costs are $625 and each bracelet cost her $1.75 to make, how many bracelets must
Solve by completing the square x^2-2x-5=0
Given the function f(x) = 4(x+3) − 5, solve for the inverse function when x = 3
Solve 2cos x+2cos 2x=0 on the interval [0,2pi)
What is Armistice Day?
List all the Commonwealth Games mascots.
Given the function f(x) = 4(x+3) − 5, solve for the inverse function when x = 3
What is the difference between primary storage secondary storage and offline storage