23 = 7x + 7x - 5 = 14x - 5 14x = 23 + 5 = 28 x = 28/14 = 2
7x = 21 x = 3
7x + 2 = 5,6
X=4.2666666666667
7x+2-2=16-27x = 147x/7 = 14/7x = 2
23 = 7x + 7x - 5 = 14x - 5 14x = 23 + 5 = 28 x = 28/14 = 2
7x = 21 x = 3
2x + 2 + 5x = 23 2x +5x = 23 -2 7x = 21 X = 3
7x + 2 = 6x + 2 if and only x = 0.
7x + 2 = 5,6
X=4.2666666666667
7x+2-2=16-27x = 147x/7 = 14/7x = 2
7x is still the slope, no matter what x equals.
-7x + 5 = -9 -7x = -14 7x = 14 x = 2
Subtract by 7x and divide by 2.
7x + 5y 7(3) + 5(2) 21 + 10 = 31
8x-2 = -9+7x8x-7x = -9+2x=-7