Selesaikan persamaan nilai mutlak berikut a) |2y + 5| = |7 – 2y| b) |x – 1| + |2x| + |3x + 1| = 6 c) |4x – 3| = -|2x – 1| d)-|3 – 6y| = |8 – 2y|
Matematika
Gilangartu
Pertanyaan
Selesaikan persamaan nilai mutlak berikut
a) |2y + 5| = |7 – 2y|
b) |x – 1| + |2x| + |3x + 1| = 6
c) |4x – 3| = -|2x – 1|
d)-|3 – 6y| = |8 – 2y|
a) |2y + 5| = |7 – 2y|
b) |x – 1| + |2x| + |3x + 1| = 6
c) |4x – 3| = -|2x – 1|
d)-|3 – 6y| = |8 – 2y|
1 Jawaban
-
1. Jawaban nadya591
a) 2y+5=7-2y
2y+2y=7-5
4y=2
y=2
b) x-1+2x+3x+1=6
x+2x+3x=1-1
6x=0
x=6
c) 4x-3=-2x-1
4x+2x=3-1
6x=2
x=3
d) kurang tau