if we have two variables X and Y when X = a and Y =b is a solution of equation X - 5 = 2 and X + Y = 4 then what will be the value of a and b.
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X = a , Y = b
Equation 1 , X -5 = 2 => X = 2+5 = 7
Equation 2 , X+Y = 4 => 7+ Y = 4 => Y = 4-7 = -3
X= a = 7
Y = b = -3
The values of a and b are 7 and -3 respectively
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