-46 = 3x + 7x
7x + y = 8 Subtract 7x from each side of the equation: y = -7x + 8
13x
It is 9x
x=6
-7x + 5 = -9 -7x = -14 7x = 14 x = 2
7x + y = 4y = 4 - 7x
7x is still the slope, no matter what x equals.
7x+7=28x 28x-7x=7 21x=7 x=3
X=4.2666666666667
7x+y=6
-7x - 2y = -3