Answer
x=11
Work Step by Step
Start with the given equation.
$(10x+5)+(6x-1)=180$
Combine like terms.
$16x+4=180$
Subtract 4 from each side and simplify.
$16x+4-4=180-4$
$16x=176$
Divide each side by 16 and simplify.
$16x\div16=176\div16$
$x=11$