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-3x=-15+6 -3x=-9 x=-9/-3 x=3
-2x+9=x+1-x........-x-3x+9=1.....-9...-9-3x=-8-3x/-3 | -8/-3\ /........\ /x=8/3
(3x - 9 =15) +9 = 3x=(24)/3 = x=8 x=8
3x+9/2=9 3x=9-9/2 3x=9/2 x=9/6 x=3/2
3x=9 means 3 times a number is equal to 9. Divide both sides by 3. 1) 3x/3=9/3 Dividing 3x by 3 cancels the 3 from the x. 2) 3x/3=9/3 Cleaning up the equation looks like this: 3) x=9/3 Solve the right side. 4) x=3