1. We must solve the equation
[tex]15=3(2x+4)-3[/tex]in order to find the value of x.
2. Because of the addition property of equality, if we add 3 to both sides of the equation we get
[tex]18=3(2x+4)[/tex]3. We multiply the 3 on the right side of the equation by what's inside the parentheses (2x+4) and we get
[tex]18=6x+12[/tex]4. Because of the subtraction property of equality, if we subtract 12 from both sides of the equation, it results in
[tex]6=6x[/tex]5. Because of the division property of equality, if we divide both sides of the equation by 6, then
[tex]1=x[/tex]6. Thus,
[tex]x=1[/tex]