Respuesta :

nichealw9

x = 9

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

51 = 4x + 15

Step 2: Flip the equation.

4x + 15 = 51

Step 3: Subtract 15 from both sides.

4x + 15 − 15 = 51 − 15

4x = 36

Step 4: Divide both sides by 4.

4x/4 = 36/4

X = 9

swetaprajapati908

Answer:

x= 9

Step-by-step explanation:

C=51

y=3

x=?

Now

C=4x+5y

or, 51=4x+5×3

or, 51= 4x+15

or, 51-15=4x

or, 36=4x

or, 36÷4=x

or, 9=x

Therefore x=9

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