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17-12-2019
Mathematics

contestada

Simplify the following expression, 4.2x+4.7=18.6

Respuesta :

josshyaby josshyaby

17-12-2019

Answer:

Step-by-step explanation:

4.2x+4.7=18.6

Multiple each term by 10

42x + 47 = 186

Collecting like terms

42x = 186 - 47

42x = 139

x = 139/42

x = 3 13/42 or 3.3

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