Solve 2x+5=9
So, to solve this we want to isolate the x's on one side of the equation. We do this by subtracting 5 from both sides to give 2x=4. Then, we want to obtain a single x on one side of the equation. To do this, we divide by 2. Thus, we obtain x=2
MH
Related Maths GCSE answers
All answers ▸solve the simultanious equations: x - 2y = 2 and 2x + y = -1
Solve the simultaneous equations x+y=8 and 3x-y=4.
solve this simultaneous equation: 2x + 3y = 19 (Eq1) and 3x + y = 11 (Eq2)
A rectangle has an area of 20 cm2. Its length and width are enlarged by scale factor 3. Find the area of the enlarged rectangle.