beccasgames05 beccasgames05
  • 24-04-2020
  • Mathematics
contestada

simplify expressions
2=3/4x-7

Respuesta :

ItzMikeSS
ItzMikeSS ItzMikeSS
  • 24-04-2020

Answer: x = 12

Step-by-step explanation:

[tex]2=\frac{3}{4}x-7[/tex]

Add 7 on both sides to get rid of the 7 and isolate x.

[tex]+7+2=\frac{3}{4}x-7+7[/tex]

[tex]9=\frac{3}{4}x[/tex]

Now multiply both sides by [tex]\frac{4}{3}[/tex] to eliminate it and isolate x.

[tex](\frac{4}{3})(9)=(\frac{3}{4}x) (\frac{4}{3})[/tex]

[tex]12=x[/tex]

Proof;

[tex]2=\frac{3}{4}x-7\\2=\frac{3}{4}(12)-7\\2=9-7\\2=2[/tex]

Answer Link
Anisatunizzati
Anisatunizzati Anisatunizzati
  • 24-04-2020

Answer:

x = 12

Step-by-step explanation:

2 = 3/4x - 7

2 + 7 = 3/4x

9 = 3/4x

9 × 4x = 3

36x = 3

x = 36/3

x = 12

Answer Link

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