[𝑥 4
1 2] = 3𝑥 − 5
2𝑥 − 4 = 3𝑥 − 5
5 − 4 = 3𝑥 − 2𝑥
𝑥 = 1
[𝑥 + 2 2𝑥 − 1
3 4 ] = 𝑥 2
8 3
4(𝑥 + 2)− 3(2𝑥 − 1)= 3𝑥 − 16
4𝑥 + 8 − 6𝑥 + 3 = 3𝑥 − 16
11 − 2𝑥 = 3𝑥 − 16
17 = 5𝑥
𝑥 = 17/5
[𝑎 𝑏
1 1] = 2 𝑎 − 𝑏 = 2
[3𝑎 + 1 3𝑏 + 1
2 2 ] 2(3𝑎 + 1)− 2(3𝑏 + 1)
6𝑎 + 2 − 6𝑏 − 2
6(𝑎 − 𝑏)= 6(2)=12
𝑥 −1 3
014
2 −2 6 + [1 −2
2 4 ] = 8
𝑥 −1 3
014
6𝑥 + 0 − 8 − (6 − 8𝑥 + 0)+ 4— 4 = 8
6𝑥 − 8 − 6 + 8𝑥 + 8 = 8
14𝑥 = 14
𝑥 = 1
1 1 1
1 𝑥 1
𝑥 𝑥 5 = 4
1 1 1
1 𝑥 1
