Question

evaluate the expression (19+9)+(-9)

Answer 1

19

evaluate the parenthesis, noting that + ( - ) = -

(19 + 9 ) + ( - 9) = 28 - 9 = 19

Answer 2

$Solution, \left(19+9\right)+\left(-9\right)=19$

$Steps:$

$\mathrm{Follow\:the\:PEMDAS\:order\:of\:operations}$

$\mathrm{Calculate\:within\:parentheses}\:\left(19+9\right)\::\quad 28, =28+\left(-9\right)$

$\mathrm{Add\:and\:subtract\:\left(left\:to\:right\right)}\:28+\left(-9\right)\::\quad 19, =19$

The correct answer is 19

Hope this helps!!!