SOLUTION: Please help me solve {{{ if the slope of a line is -2 write the equation of a line passnig through the point (3,1) }}}

Question 97065: Please help me solve AMP Parsing Error of [ if the slope of a line is -2 write the equation of a line passnig through the point (3,1) ]: Invalid expression. Closing bracket expected ,1) at /home/ichudov/project_locations/algebra.com/templates/Algebra/Expression.pm line 187. .
Answer by mathslover(157) (Show Source): You can put this solution on YOUR website!
any line can be represented by a linear eqn
y = mx +c where m is the slope of the line and c the y- intercept
since its given that (3,1) are points on this line therefore we have
1 = -2.3 + c (slope is given to be -2)
c= 7
substituting the value of m and c in the general eqn of line y=mx +c we have
y = -2x + 7
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