Answer :
8x-12=5x+15
add 12 to both sides
8x=5x+27
subtract 5x from both sides
3x=27
divide by 3
x=9
add 12 to both sides
8x=5x+27
subtract 5x from both sides
3x=27
divide by 3
x=9
8x = 5x + 27 Add 12 to both sides
3x = 27 Subtract 5x from both sides
x = 9 Divide both sides by 3