Question

1- (+16)+(+14)=
2- (-9)+(-5)=
3- (-12)-(-15)=
4-(-10)-(-8)=
5-(-6).0=
6-(-9).(+8)=
7-(+16):(-4)=
8-(-7):(+5)=
9-(+3)⁴=
10-(-4)³=
11- 2x+10=16
12- x+19=-7
13-x-3= -3
14- 9x =81
15-(-7x)+(11x)=
16- (-9y)+(-8y)=
17- (-8x) - (+4x)=
18-(+12x) - (-2x)=
19- (-3N⁴).(.6N)=
20- (-6ײ).(+2x²)=
21- (-30×⁷):(+6x³)=
22- (+18×⁸):(+3x²)=
23- x²-4× +4=0
​

Answer 1

1- (+16)+(+14)= 16 + 14 = 30

2- (-9)+(-5)= -9 - 5 = -14

3- (-12)-(-15)= -12 + 15 = 3

4-(-10)-(-8)= -10 + 8 = -2

5-(-6).0= -0