To solve an equation we use the inverse operations to undo the equation. STEP 5 - You’ve found the answer x = 2. Always remember to put the units back in. So 1 loaf of bread costs £2.

Each linear equation can be drawn as a line on a graph. The co-ordinate where the two lines intersect will give the solution of x and y. STEP 2 - The equations can be rearranged so that they both ...

You should be able to complete this step just by playing around with the cube. Make sure that the edges of the cross match the center squares on the adjacent sides. Step 2: Finish First Layer Step ...