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Write an equation to represent the number puzzle. Use x as the
variable. Then find the solution using guess-check-and-improve.
5 times a number, plus 1, is equal to 9 added to 3 times the number.
What is the number?
a. 5x + 1 = 9 + 3x, 4 c. 5x + 1 = 9 + 3x, 3
b. 5x − 1 = 9 + 3x, 5 d. 5x + 1 = 9 + 3x, 4.5

Respuesta :

JoyMark

Answer:

It is A

Step-by-step explanation:

Equation: 5x+1=9+3x

5x+1=9+3x

     -1 -1

_________

5x=8+3x

-3x     -3x

________

2x=8

__ __

2     2

x=4

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