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What is a common factor?

A factor is a number that can be multiplied into another number with nothing left over. The factors of 9 are 1, 3, 9.A common factor is a number that is a factor of two different numbers. The factors of 9 ar...
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Answered by Tom H. Maths tutor
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How do you solve an equation like: 5/(x+2) + 3/(x-3) = 2?

Multiply every term by a denominator to eliminate it;5 + 3(x+2)/(x-3) = 2(x+2)5 + 3x+6/(x-3) = 2x+45(x-3) + 3x+6= (2x+4)(x-3)2) simplify5x-15+3x+6=2x 2 -12+4x-6x8x-9=2x 2 -12-2x2x 2 -10x-3=03) use the equati...
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Answered by Tom H. Maths tutor
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Solve the simultaneous equations: x + 2y = 13, 4x - 3y = 8.

Multiply both sides of the equation x + 2y = 13 by 4 to get 4x + 8y = 52. Subtract 4x - 3y = 8 from 4x + 8y = 52 to get 11y = 44. Divide both sides of 11y = 44 by 11 to get y = 4. Since we now know y = 4, we...
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Answered by Kate P. Maths tutor
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How would you solve (4y + 3)/5 + (3y+1)/2 = 4 for y?

The first step is to remove the fractions in the equation, as the equation is easier to solve when there are only whole numbers.To remove the first fraction we should times the entire equation by 5 ----> ...
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Answered by Nima S. Maths tutor
3155 Views

What is the difference between '<' and '≤'?

'x &lt; 4' simply means that x is less than 4.2) However, x ≤ 4 means that it is less than or equal to 4. So if you have x = 3, 2, 1, 0 then the first term, 'x &lt; 4' appliesbut if x = 4, 3, 2, 1, 0 then th...
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Answered by Tom H. Maths tutor
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