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you do 3 plus 5 first then you get 8 you have to find out what minus 7 equals 8
m= -3
a = 4
n= -2
X = -31/8 = -3.875
You cannot solve one linear equation with two variables.
-2 plus 5 equals +3
3
10
minus 5
(3,3)
x2 plus 3x plus 3 is equals to 0 can be solved by getting the roots.