Question

Simplify this equation.

(x) + (x+3) + (x-2) + 3(x+3) - 1 = 87

Answer 1

Expand it you get:
x+x+3+x-2+3x+9-1-87=
6x=78
x=78/6 =13
x=13

Answer 2

x=13 simplify both sides of the equation, distribute,combine like terms, subtract 9 from both sides divide both sides by 6.