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Maths
GCSE

Solve the following ((3x + 1)/2x ) = 4

3x + 1 = 4(2x) 3x + 1 = 8x 1 = 5x x = 1/5

BL
Answered by Benjamin L. Maths tutor
3957 Views

How do you divide mixed fractions? e.g. (1(1/5)) / (3/4)

(1(1/5)) / (3/4)1(1/5) = 6/5therefore the question is(6/5) / (3/4)To divide a fraction, you simply swap the position of the numerator and denominator in the latter part of the example, and multiple the fr...

JM
Answered by Jack M. Maths tutor
2652 Views

Solve the simultaneous equations, x+y = 16, 5x -2y = 17

Multiply the first equation by 2 to obtain 2x+2y = 32,Then use the elimination technique and add the first equation into the second equation to get : 7x = 49 therefore divide by 7 to find x = 7 Sub this v...

MO
Answered by Matthew O. Maths tutor
3414 Views

Expand and simplify (x+1)(2x+3).

We first expand the first set of brackets by multiplying each element of it by the second set of brackets so (x + 1)(2x + 3) = (x)(2x + 3) + (1)(2x + 3) = x(2x + 3) + (2x + 3). We can then expand out the ...

ML
Answered by Matthew L. Maths tutor
8249 Views

Solve the following simulatenous equation to find the values of both x and y: 5x+2y=16 and 3x-y=14

x=4, y=-2

JD
Answered by JESSICA D. Maths tutor
3162 Views

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