Answer:
[tex]\boxed {x = 15}[/tex]
Step-by-step explanation:
Solve for [tex]x[/tex]:
[tex]3(2x + 5) = 3x + 4x[/tex]
-Use Distributive Property:
[tex]3(2x + 5) = 3x + 4x[/tex]
[tex]6x + 15 = 3x + 4x[/tex]
-Combine like terms:
[tex]6x + 15 = 3x + 4x[/tex]
[tex]6x + 15 = 7x[/tex]
-Take [tex]7x[/tex] and subtract it from [tex]6x[/tex]:
[tex]6x + 15 - 7x = 7x - 7x[/tex]
[tex]-x + 15= 0[/tex]
-Subtract [tex]15[/tex] on both sides:
[tex]-x + 15 - 15 = 0 - 15[/tex]
[tex]-x = -15[/tex]
-Take [tex]-x[/tex] and divide it on both sides:
[tex]\frac{-x}{-1} = \frac{-15}{-1}[/tex]
[tex]\boxed {x = 15}[/tex]
So, therefore, the value of [tex]x[/tex] is [tex]15[/tex].
