Use the graph of \(y=7-2x\) below to find the solution to the equation \(7-2x=-3\). (2 marks)
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\(\text{To solve }7-2x=-3\ \text{graphically, find the point}\)
\(\text{of intersection of the lines }y=-3\ \text{and }y=7-2x\)
\(\text{i.e. }(5\ ,-3)\)
\(\therefore\ \text{The solution is }x=5\)