91Ó°ÊÓ

In the following exercise, simplify the expression:$-200+65$

In the following exercise, simplify the expression:$-150+45$

In the following exercise, simplify the expression:$2+(-8)+6$

In the following exercise, simplify the expression:$4+(-9)+7$

In the following exercise, simplify the expression:$140+(-75)+67$

In the following exercise, simplify the expression:$-32+24+(-6)+10$

In the following exercise, simplify:$9-3$

In the following exercise, simplify:$-5-(-1)$

In the following exercise, simplify:$\left(a\right)15-6\left(b\right)15+(-6)$

Determine if each is an expression or an equation.

$y-5=25$