What is 4,000,000 + 700,000 + 20,000 + 9,000 + 600 + 60 + 2 in standard form?
1 answer:
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For each equation give X a value and solve for Y, do this at least two times for each equation.
Plot those dots on a graph to draw two lines.
The solution is where the two lines cross.
You will see the lines cross at (-1,-2)
