Answer:
I'll help with the first 2
( 12/4x7-18=
12/4=3
3x4=12
12-18= -6 )
( 8[tex]{2}[/tex] - 22/2x7=
8x2=16
22/2=11
11x7=77
16-77= -61 )
Step-by-step explanation:
PEMDAS
P-( ) Parenthesis
E- Ex[tex]x^{2}[/tex] (Exsample-2[tex]{2}[/tex] = 2x2=4 )
M=Multiplication X
D-Division
A-Add +
S-Subtraction
