The given equations are:
1) x - 56 = 92) x - 87 = 123) x - 123 = 399
To solve each equation:
1) x - 56 = 9Add 56 to both sidesx = 98 + 5x = 154
2) x - 87 = 12Add 87 to both sidesx = 124 + 8x = 211
3) x - 123 = 39Add 123 to both sidesx = 399 + 12x = 522
Therefore, the solutions to the equations arex = 15x = 21x = 522
The given equations are:
1) x - 56 = 9
2) x - 87 = 12
3) x - 123 = 399
To solve each equation:
1) x - 56 = 9
Add 56 to both sides
x = 98 + 5
x = 154
2) x - 87 = 12
Add 87 to both sides
x = 124 + 8
x = 211
3) x - 123 = 39
Add 123 to both sides
x = 399 + 12
x = 522
Therefore, the solutions to the equations are
x = 15
x = 21
x = 522