danielg3746
danielg3746
16-09-2020
Mathematics
contestada
Solve 5+2/3(9x+3)=10 for x.
Respuesta :
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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