Solving equations with unknown in both sides

Given, 8x - 8 = 2x + 10

Solution: To solve this kind of problem, the first step is to always collect the like terms together i.e. Take the terms with x to one side of the equal sign and the numbers to the other side.

Recall: When terms cross the equal sign, their sign (+ or -) changes.

8x - 8 = 2x + 10

8x - 2x = 10 + 8

6x = 18

Now divide both sides by 6

6x/6 = 18/6

x = 3.

So always remember, collect like terms, simplify and then solve for the unknown.

YS

Related Further Mathematics GCSE answers

All answers ▸

Find the solution of 3^{4x} = 9^{(x-1)/2}.


Find the tangent to the equation y=x^2 -2x +4 when x=2


A=(1,a;0,1/2) B=(1,-1;0,2) AB=I, calculate the value of a.


Point A lies on the curve: y=x^2+5*x+8. The x-coordinate of A is -4. What is the equation of the normal to the curve at A?