kcgotgame
kcgotgame kcgotgame
  • 18-02-2021
  • Mathematics
contestada

Which of these equations has the solution x = 5?
A. x + 7 = 3(x - 1)
B. 12 - x = x + 4
C. 2(x + 1) = 3(x - 8)
D. 2(x - 4) = 7x - 1

Respuesta :

raew59 raew59
  • 18-02-2021
The answer is A
X+7 = 3(x-1)
X+7 = 3x-3
-x on both sides
+3 on both sides
10 = 2x
Divide by 2
X=5
Answer Link
luna64love luna64love
  • 18-02-2021
Answer is A
3(x-1)=3x-3
X+7=3x-3
-x both sides
+3 both sides
10=2x
Divide by 2
X=5
Answer Link

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