1) (x + 29) • 5 = 645x + 29 = 645 / 5x + 29 = 129x = 129 - 29x = 100
2) (533 - y^2) / 4 = 121533 - y^2 = 484-y^2 = 484 - 533-y^2 = -49y^2 = 49y = ± √49y = 7 or y = -7
3) x - x + 100 = 164100 = 164This is not a valid equation, as it simplifies to 100 = 164 which is not true.
4) 53 - y - y = 5253 - 2y = 52-2y = -1y = 1/2
1) (x + 29) • 5 = 645
x + 29 = 645 / 5
x + 29 = 129
x = 129 - 29
x = 100
2) (533 - y^2) / 4 = 121
533 - y^2 = 484
-y^2 = 484 - 533
-y^2 = -49
y^2 = 49
y = ± √49
y = 7 or y = -7
3) x - x + 100 = 164
100 = 164
This is not a valid equation, as it simplifies to 100 = 164 which is not true.
4) 53 - y - y = 52
53 - 2y = 52
-2y = -1
y = 1/2