What is 2x+3=13
x=5
What is 12x-4=140
x=12
What is 2x-4=14?
x=9
What is 18x-3=33
x=2
What is 4x+6=6
x=0
What is 16x-5=27
What is 5x+7=17?
What is 144-x+4=59
x=89
What is 6x-10=20