Question

Please help me on this sheet

Answer 1

1. QP = DU
2x + 7 = 26
2x = 26-7
2x = 19
x = 19/2
x =9.5

2. m<3 = m<2
16x -12 =52
16x = 52+12
16x = 64
x = 64/12
x = 5.33

4.m<2 + m<6 =90
70-4x + 18x -8 = 90
14x + 62 =90
14x = 90 -62
14x= 28
x = 28/14
x=2

5. 5x + 1 =42
5x = 41
x = 41/5
x = 8.2