Solve 4(x–5)=18
Firstly, you would expand the brackets on the right hand side of the equation, resulting in the equation looking like:4x - 20 = 18Then you would isolate the x, so would add 20 to 18:4x = 38Then, divide both sides by 4 in order to solve the equation:x = 9.5
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How can I work out the area of a semi-circle with a diameter of 12cm?
Given a right-angled triangle with an angle of 35 degrees and an Opposite side of 12cm, calculate the length of the hypotenuse to 3 significant figures.