1. 7(2) + 3 = 7(2) + 3
14 + 3 = 14 + 3
17 = 17 (True)
2. 7(0) + 3 = 7(0) + 3
0 + 3 = 0 + 3
3 = 3 (True)
3. 3(4(1) + 8) = 4(3(1) + 6)
3(4 + 8) = 4(3 + 6)
3(12) = 4(9)
36 = 36 (True)
4. 3(4(-1) + 8) = 4(3(-1) + 6)
3(-4 + 8) = 4(-3 + 6)
3(4) = 4(3)
12 = 12 (True)
Therefore, the original equations have more than one solution.
Plug more than one point into the original equations, and check to show that the work equations can have more than one solution. The equations are 7x + 3 = 7x + 3 and 3(4x + 8) = 4 (3x + 6).
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