This is how you solve it algebraically:
6x - 5 = 31 (your statement)
6x - 5 + 5 = 31 + 5 (add 5 on both sides)
6x = 36 (simplify)
6x/6 = 36/6 (divide by 6 on both sides)
x = 6
So, d makes the equation true.
6x - 5 = 31 (your statement)
6x - 5 + 5 = 31 + 5 (add 5 on both sides)
6x = 36 (simplify)
6x/6 = 36/6 (divide by 6 on both sides)
x = 6
So, d makes the equation true.