2-4 (2x/7+1/7) = 3/2-x
2 – 4((2x+1)/7 = 3/2 – x
Multiplicando todo por 14 y simplificando,
28 – 8(2x+1) = 21 – 14x
28 – 16x – 8 = 21 – 14x
28 – 8 – 21 = 16x – 14x
-1 = 2x
x = -1/2
2-4(2x/7+1/7)=3/2-x
2-4((2x+1)/7)=(3-2x)/2
2-(8x-4)/7=(3-2x)/2
(14-8x-4)/7=(3-2x)/2
2(14-8x-4)=7(3-2x)
28-16x-8=21-14x
20-16x=21-14x
20-21=-14x+16x
1=2x
x=1/2 RTA
Primero haz lo del parentesis y luego lo debfuera
Copyright © 2024 Q2A.MX - All rights reserved.
Answers & Comments
2-4 (2x/7+1/7) = 3/2-x
2 – 4((2x+1)/7 = 3/2 – x
Multiplicando todo por 14 y simplificando,
28 – 8(2x+1) = 21 – 14x
28 – 16x – 8 = 21 – 14x
28 – 8 – 21 = 16x – 14x
-1 = 2x
x = -1/2
2-4(2x/7+1/7)=3/2-x
2-4((2x+1)/7)=(3-2x)/2
2-(8x-4)/7=(3-2x)/2
(14-8x-4)/7=(3-2x)/2
2(14-8x-4)=7(3-2x)
28-16x-8=21-14x
20-16x=21-14x
20-21=-14x+16x
1=2x
x=1/2 RTA
Primero haz lo del parentesis y luego lo debfuera