danielg3746 danielg3746
  • 16-09-2020
  • Mathematics
contestada

Solve 5+2/3(9x+3)=10 for x.

Respuesta :

emmajademugford
emmajademugford emmajademugford
  • 16-09-2020
5+2=7

Multiply each side by 3.

7(9x + 3) = 30

Expand the brackets

63x + 21 = 30

Subtract both sides by 21

63x = 9

Divide both sides by 63

X = 1/7

( always sub answers back in to question to make sure it’s right )
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