Solve (x/4)-(2x/x+2)=1. Give your solutions to 2 decimal places.
Re-arrange to x^2-10x-8=0Using quadratic formula obtains two values, x=10.74 and x= -0.74
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All answers ▸A rectangle has an area of 20cm^2. Its length and width are enlarged by a factor of 3. Find the area of the enlarged rectangle.
How to solve the simultaneous equations 3x+2y=7 and 5x+y=14
There are some people in a cinema. 3/5 of the people in the cinema are children. For the children in the cinema, number of girls:number of boys = 2:7. There are 170 girls in the cinema. Work out the number of adults in the cinema.
Solve the inequality: 5x-3 < 7x-6