The Conversation
STEPS
TOOLS
Write the question
Draw two arrows from both equations
Keep top line the same
Times bottom by two
Cross out both Ys as they will equal 0 and find the answer to X and the equals
Work out X by dividing the 10X and the -20 getting X as -2
To find Y rewrite the bottom equation and substitute X for from the previous answer being -2
Work out the new equation
Move all numbers to the right remember to change symbol figure out right side to find Y
The creator of this guide has not included tools
