peraturan samaan linier satu variabel untuk variabel elemen cacah 1. 2x-1<7 2. p+5≥9 3. 4-3q≤10 4. 4x-2>2x+5 5. 2(x-3)<3(2x+1) 6. 12-6y≥-6 7. 3(2t-1)≤2t
Matematika
endrawan3
Pertanyaan
peraturan samaan linier satu variabel
untuk variabel elemen cacah
1. 2x-1<7
2. p+5≥9
3. 4-3q≤10
4. 4x-2>2x+5
5. 2(x-3)<3(2x+1)
6. 12-6y≥-6
7. 3(2t-1)≤2t+9
8. 2(x-30)<4(x-2)
9. 6-2(y-3)≤3(2y-4)
10. -2n<3n-5
11. 25+2q≥3(q-8)
12. 3p-14<4p+2
untuk variabel elemen cacah
1. 2x-1<7
2. p+5≥9
3. 4-3q≤10
4. 4x-2>2x+5
5. 2(x-3)<3(2x+1)
6. 12-6y≥-6
7. 3(2t-1)≤2t+9
8. 2(x-30)<4(x-2)
9. 6-2(y-3)≤3(2y-4)
10. -2n<3n-5
11. 25+2q≥3(q-8)
12. 3p-14<4p+2
1 Jawaban
-
1. Jawaban banowatinini
1).
2x-1<7
2x<7+1
2x<8
x<8/2
x<4
.
2).
p+5≥9
p≥9-5
p≥4
.
3).
4-3q≤10
-3q≤10-4
-3q≤6
q≥6/-3
q≥-2
.
4).
4x-2>2x+5
4x-2x>5+2
2x>7
x>7/2
.
5).
2(x-3)<3(2x+1)
2x-6<6x+3
2x-6x<3+6
-4x<9
x>9/-4
x>-9/4
.
6).
12-6y≥-6
12+6≥6y
18≥6y
y≤18/6
y≤3
.
7).
3(2t-1)≤2t+9
6t-3≤2t+9
6t-2t≤9+3
4t≤12
t≤12/4
t≤3
.
8).
2(x-30)<4(x-2)
2x-60<4x-8
-60+8<4x-2x
-52<2x
x>-52/2
x>-26
.
9).
6-2(y-3)≤3(2y-4)
6-2y+6≤6y-12
12+12≤6y+2y
24≤8y
y≥24/8
y≥3
.
10).
-2n<3n-5
5<3n+2n
5<5n
n>5/5
n>1
.
11).
25+2q≥3(q-8)
25+2q≥3q-24
25+24≥3q-2q
49≥q
q≤49
.
12).
3p-14<4p+2
-14-2<4p-3p
-16<p
p>-16