If 2x + 3y = 87 and 3x – 3y = 48, what is the value of x?

Direction: In the following questions two equations numbered I and II are given. You have to solve both the equations and Give answer

Give answer (A) If x > y
Give answer (B) if x ≥ y
Give answer (C) if x<y
Give answer (D) If x ≤ y
Give answer (E) if x=y or the relationship cannot be established.

I. x³-371=629
II.y³ – 543 =788

The value of 64 ÷ 2 ×(9÷3) ×3÷9-32 is:

If 4x+5y=83 and $$ \ {3x\over2y}={21\over22}$$then what is the value of y-x ?

In equation $$ {x^{2}-24x+k=0}$$ the first root is x=2 then find out  the second root of equation.

Direction: In the following questions two equations numbered I and II are given. You have to solve both the equations and Give answer

Give answer (A) If x > y
Give answer (B) if x ≥ y
Give answer (C) if x<y
Give answer (D) If x ≤ y
Give answer (E) if x=y or the relationship cannot be established.

I. x² – 1 =0
II. y²+4y+3=0

If a + b = -2 and a - b = 12, find b. 

Find the exact value of the following question:

$$ 1280÷{2^3} + 1220÷{2^2}-182=?$$