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Make x the subject of the following formula: x/2 + 3 = y - 2

To make x the subject of the formula, we simply want to have x on its own on one side of the equals sign. So we need to remove any numbers on the same side as x. A key rule to remember is that everything we ...
TD
Answered by Tutor304375 D. • Maths tutor
5555 Views

Make x the subject of the formula: 3x - 2 = y + 10

x = (y+12)/3
JK
Answered by Jameela K. • Maths tutor
3922 Views

Solve 2x^2 - x - 21 by factorising

Lets begin by splitting the bx term to make factorising possible: 2x 2 - x - 21 is the same as 2x 2 - 1x - 21What two numbers = -1 when added, and = -42 when multiplied together?(note - they have to multiply...
LQ
Answered by Lara Q. • Maths tutor
9566 Views

Solve the quadratic equation (x^2)-7x+10=0

x=5 2) x=2
DG
Answered by Dilhan G. • Maths tutor
3413 Views

((x^2+4x)/2x)-((x^2-4x)/x)

6-(x/2)
IL
Answered by Ieuan L. • Maths tutor
4051 Views