Question

For what value of x, the equation 2x - 4 = 11 - x is satisfied?​

Answer 1

Answer:

5

Step-by-step explanation:

2x+x=11+4

3x=15

x=15/3

x=5

Answer 2

Answer:

5

Step-by-step explanation:

by trying number-wise, i.e. x= 1,2,3,4,5,6

when x= 1,

• 2(1) - 4 = 2 - 4 = -2 (L.H.S.)
• 11 - 1 = 10 (R.H.S.)
• L.H.S. $\neq$ R.H.S.

when x= 2,

• 2(2) - 4 = 4 - 4 = 0 (L.H.S.)
• 11 - 2 = 9 (R.H.S.)
• L.H.S. $\neq$ R.H.S.

when x=3,

• 2(3) - 4 = 6 - 4 = 2(L.H.S.)
• 11 - 3 = 8(R.H.S.)

• L.H.S. $\neq$ R.H.S.

when x=5,

• 2(5) - 4 = 10 - 4 = 6(L.H.S.)
• 11 - 5 = 6(R.H.S.)
• L.H.S = R.H.S.
• Therefore, when x = 5 the equation is satisfied.