Solve the following systems using substitution. X - 9y = 25 6x - 5y = 3
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Given equation is y=3x+3 and
Let's simplify the 2nd equation before we can start graph so that calculation will be easy
multiply both sides by 3 to cancel out fractions
y=3x+3
which is exactly same as the first equation so graph of both will be exactly same and solution will be infinitely many solutions.
y=3x+3 has y-intercept 3 so first point will be (0,3). Slope is 3 so rise 3 unit up then 1 right and graph the new point.
