Question

Show that x = 15 is the solution of the equation
7(25-x) - 2x -- 15 = 2(3x - 25) - x.​

Answer 1

Explanation:

given x=15

1. putting x=15 in the given equation
2. first LHS

• 7(25-15)-2×15-15
• 25

1. now RHS

• 2(3×15-25)-15
• 25

1. LHS=RHS
2. HENCE PROVED X=15 IS THE SOLUTION OF GIVEN EQUATION