Respuesta :

Answer:

x = 10

Step-by-step explanation:

1) Subtract x from both sides.

4x − x = 30

2) Simplify 4−x to 3x

3x = 30

3) Divide both sides by 3

x = [tex]\frac{30}{3}[/tex]

4) Simplify [tex]\frac{30}{3}[/tex] to 10

x = 10

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