



 
Hi, In solving an equation you are allowed two types of operations
With your equation \[2x + \sqrt 2 = 3x  4  3 \sqrt 2\] I would begin by adding $2x$ to each side. This gives \[2x + \sqrt 2  2x = 3x  4  3 \sqrt 2 2x\] which simlifies to \[ \sqrt 2 = x  4  3 \sqrt 2 .\] Now add $ 4 + 3 \sqrt 2$ to each side and simplify. Penny  


Math Central is supported by the University of Regina and The Pacific Institute for the Mathematical Sciences. 