Solve the following simultaneous equations: x+ y = 3/2; x - y = 5/2 and use your result to find the value of 2y + x
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4,407 questionsSolve the equation (x +2)(x - 7) = 0
Solve the equation 3x\(^2\) + 25x -18 = 0
If \(y \propto \frac{1}{x^2}\) and x = 3 when y = 4, find y when x = 2.
Factorize the expression x(a - c) + y(c - a)
What is the smaller value of x for which x\(^2\) - 3x + 2= 0?
Solve the inequality: \(\frac{1}{3}(2x - 1) < 5\)
Which of the following could be the inequality illustrated in the sketch graph above?
Find the value(s) of x for which the expression is undefined: \(\frac{6x - 1}{x^2 + 4x - 5}\)
If R = [2, 4, 6, 7] and S = [1, 2, 4, 8], then R∪S equal
By selling some crates of soft drinks for N600.00, a dealer makes a profit of 50%. How much did the dealer pay for the drinks?
Find (101\(_2\))\(^2\), expressing the answer in base 2.
The mean and the range of the set of numbers 1.20, 1.00, 0.90, 1.40, 0.80, 1.20, and 1.10 are m and r, respectively. Find m + r
In the diagram, find PQ if the area of triangle PQR is 35cm\(^2\)