Question

if 2x -1 + 2x+1=320 then x equals ​

Answer 1

Answer:

2x -1 + 2x + 1 = 320

2x + 2x = 320 +1 -1

4x = 320 +0

x = 320 ÷ 4

x = 80

Step-by-step explanation:

IMPORTANT POINTS

• if a number is transferred to right hand side then sign will be opposite of it .

example 2+ x = 4

x = 4 - 2

x = 2

here the number 2 has positive sign but after transferring to RHS it becomes negative. Likewise multiply changes to divide also .

hope it will help you