Page 292 - MATEMATIKA-BS-KLS VII_Neat

7 81 8 -81 7 4a – 3 8 24x – 10
9 -64 10 0,49 9 3y 10 -7a
3 2
11 - 12 14 11 - x 12 24a
8 5
13 2x – 7 14 2a – 3
2 1 2 2 -5
15 18x + 6
3 -3 4 6
5 0 6 -0,4 4 1 14x – 35 2 -4a + 5
1 3 -a + 8 4 7x + 16
7 - 8 21
9 5 y – 10 6 -13x + 1
5
9 - 3
6 7 20a 8 x – 4
1 4
9
3 1 14 2 12 9
3
3 -10 4 4 4 Persamaan
2 Hlm.107
3 32
5 - 6 -
2 27 1 1 x = 4 2 x = 11
4 x = -8 x = 1
7 3 4
9
5 x = 6 6 x = -9
4 1 -10 2 -26 7 x = 7 8 x = 5
3
3 26 4 -36
9 x = 20 10 x = -6
5 7 6 -15
7 9 8 -6 2 1 x = 3 2 x = -1
9 0 10 10 3 x = 6 4 x = 3
11 2 12 19 5 x = -3 6 x = -2
5 2
13 14 7 x = -7 8 x =
12 3
9 x = 6 10 x = 1
2
3 3 Menyederhanakan Pernyataan Aljabar Hlm.85 11 x = - 12 x = -
3
3
1 1 7a 2 2a 13 x = 2 14 x =
2
3 -6x 4 -a
1
5 5x 6 5a + 9 3 1 x = -8 2 x = 2

7 -2x + 1 8 -9a + 13 3 x = 4 4 x = -2
3
9 1,3x 10 y
2 15
4 1 x = -5 2 x =
2
2 1 8x – 7 2 3x – 2 3 x = -5 4 x = 8
1
3 x – 4 2x + 5
3 5 1 x = 2 2 x = 4
5 -5y + 2 6 23 5
3 3 x = -7 4 x = 1
7 y + 9
4
3 1 27a 2 -40x
3 -2,4y 4 16a
5 -3a – 21 6 24x – 20

286 Jawaban