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Introduction To Euclid's Geometry

Question

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If $4 over straight x plus 5 y equals 7 space a n d space x equals negative 4 over 5 comma space$ then the value of

$37 over 15$

2

$1 half$
$1 third$

Solution

B.

2

Some More Questions From Introduction to Euclid's Geometry Chapter

Express the following statement as a linear equation in two variables by taking present ages (in years) of father and son as x and y, respectively. Age of father 5 years ago was two years more than 7 times the age of his son at that time.

Write the equation 2x = y in the form ax + by + c = 0 and find the values of a, b, c in the equation. How many solution this equation has?

Express the linear equation 7 = 2x in the form ax + by + c = 0 and also write the values of a, b and c

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