plong plong
  • 02-08-2019
  • Mathematics
contestada

Solve for x. 3x/4+2x/3=51
A)122.4
B)36
C)3
Please pick A, B, or C

Respuesta :

mateuszbalazy6
mateuszbalazy6 mateuszbalazy6
  • 02-08-2019

Answer:

/*12

9x+8x=51*12

17x = 51*12

x = 3*12

x=36

Step-by-step explanation:

Answer Link
jimrgrant1 jimrgrant1
  • 02-08-2019

Answer:

B

Step-by-step explanation:

Given

[tex]\frac{3x}{4}[/tex] + [tex]\frac{2x}{3}[/tex] = 51

Eliminate the fractions by multiplying through by the lowest common multiple of the denominators 4 and 3

The lowest common multiple of 3 and 4 is 12

12 × [tex]\frac{3x}{4}[/tex] + 12 × [tex]\frac{2x}{3}[/tex] = 12 × 51

9x + 8x = 612

17x = 612 ( divide both sides by 17 )

x = 36 → B

Answer Link

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