Solve for x : 2x-15=-2x-7
Bring the x terms onto one side of the equation, and the numbers onto the other, rearranging to get 4x=8divide both sides by 4 to get x=2check answer by subbing x=2 into the equation, such that -11=-11
JP
Related Maths GCSE answers
All answers ▸Show that ((√ 18 + √ 2)^2)/(√8 - 2) can be written in the form a(b + 2) where a and b are integers.
A rectangle has a total perimeter of 32cm with sides of length '3x' and 'x+8'. Solve for x.
How do you expand out and simply brackets, like the following: (x-3)(x+4)?
Solve the simultaneous equations 5x + 2y = 4 and x - y - 5 =0