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(4+x)/8=2 Solve for X

multiply both sides by 8 --> 4+x=16subtract 4 from both sides x=12
PQ
Answered by Precious Q. • Maths tutor
3350 Views

differentiate x^2+10x+13

show the formulathen show differentiation
MY
Answered by Mohammed Y. • Maths tutor
3935 Views

Convert 0.1727272... to a fraction in its lowest terms.

First we must identify the recurring part of the decimal. We see that 72 is repeated, hence it is the recurring part of the decimal. Next, we say x = 0.1727272..., the reason why will become apparent shortly...
IH
Answered by Isaac H. • Maths tutor
7625 Views

What about simultaneous equations?

They are equations with variables that we have to find. They hold in the same time.
SO
Answered by Stefan O. • Maths tutor
3354 Views

Find the value of x in the equation 3x + 5 = 11

x is a positive number - the question for us is what the value of x is. To find this, we will have to rearrange the equation given. There are multiple ways of doing this. Firstly, we can make the equation si...
RC
Answered by Rory C. • Maths tutor
15214 Views