Question

2x+81=42 how to solve this if 81 at =?the it will be -81 or be+81

Answer 1

2x+81=42
2x=42-81
2x=-39
x= -19.5

Answer 2

Hey

Here is your answer,

2x + 81 = 42

2x = 42-81

2x = - 39

X = -39/2

X = -19.5

Hope it helps you!