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(4418) Question Category: Mathematical Calculation

Solve egin{cases} 	ext{2x+y=20 } \ 	ext{ x=35-3y} end{cases} by elimination method.

Answer / Solution

UNSOLVED

(4419) Question Category: Mathematical Calculation

Solve the equation 4(p+1)(1-p)=3.

Answer / Solution

UNSOLVED

(4448) Question Category: Mathematical Calculation

If x=6, y=-14 and z=16, find the value of zleft (frac{x-y}{y+x} 
ight ).

Answer / Solution

UNSOLVED

(4453) Question Category: Mathematical Calculation

  1. Solve for x in the inequality 3x-4geq x+16.
  2. Solve the following pairs of simultaneous equations by the elimination method. left{egin{matrix} 2x+y=10 & \ 3x-2y=1& end{matrix}
ight.

Answer / Solution

UNSOLVED

(4674) Question Category: Mathematical Calculation

Calculate the value of , x + y + 2z − 12 when x = 5 , y = 8 and z = 9 .

Answer / Solution

Solution

5+8+2(9)=31.


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