If 2x + 3y = 1 and x - 2y = 11, find (x + y)

Similar Questions

A number is selected at random between 10 and 20, both numbers inclusive. Find the probability that ...

If P(2,3) and Q)2, 5) are points on a graph, calculate the length PQ ...

In the figure, if XZ is 10cm, calculate RY in cm ...

From the graph determine the roots of the equation y = 2x2 + x - 6 ...

Determine the distance on the earth's surface between two town P (lat 60°N, Long 20°E) a...

In the diagram, O is the centre of the circle and < PQR = 106º, find the value of y ...

Evaluate $\int^{2}_{0}(x^3 + x^2)$dx....

If the hypotenuse of a right-angled isosceles triangle is 2cm. What is the area of the triangle...

Express 25° 45' in decimal (Hint: 1° = 60') ...

The graph above shows the cumulative frequency curve of the distribution of marks in a class test. W...