Answer:
Thats a great question look it up.
Step-by-step explanation:
W + 3w = 90 is obviously wrong
Answer:

Step-by-step explanation:
Given Equation:

Solving the bracket on L.H.S

Taking the terms of 'x' to one side and the constants to other side

The value of 'x' after solving the equation is:

Answer:
400
Step-by-step explanation:
half of 400 is 200? i need more letterssss