fifty-six
a + 71 = a + a + a - 41
add 41 to both sides
a + 112 = 3a
take a away from both sides
112 = 2a
divide both sides by 2
56 = a
Check: 56 + 71 = 127
56 + 56 + 56 - 41 = 112 + 15 = 127
36
6
36
4 times a number added to 7 times the number equals 33
4
The number is 3
25
The number is 20.
9
4
169
x = -.25