5x+1=20 5x=20-1 5x=19 5x/5=19/5 x=19/5
5x + 2 = 22 5x = 22 - 2 5x = 20 5x/5 = 20/5 x=4
5x * 18 = 201. /185x=1.111111112. /5x=0.2222222222
x = 4
-4 5x + 2 = -18 0x + -2 = -2 ---------------- 5x + 0 = -20 5x / 5 = -20/5 x = -4
5x+1=20 5x=20-1 5x=19 5x/5=19/5 x=19/5
5x + 20 = 4x +30 5x - 4x = 30 - 20 x = 10
5x + 2 = 22 5x = 22 - 2 5x = 20 5x/5 = 20/5 x=4
5x * 18 = 201. /185x=1.111111112. /5x=0.2222222222
5x=4y=-20 x=-4 y=-5 (-4,-5) is the ordered pair
5x+3 = -17 5x = -17-3 5x = -20 x = -4
x = 4
5 times 20 = 100
Write out equation - 10y - 5x= - 20 Negate equation 10y + 5x = 20 Isolate y variable 10y = - 5x + 20 Divide equation by 10 y= -1/2x + 2
-5x + 30 = 20 -5x + 30 - 30 = 20 - 30 -5x = -10 -5x / -5 = -10 / -5 x = 2
-4 5x + 2 = -18 0x + -2 = -2 ---------------- 5x + 0 = -20 5x / 5 = -20/5 x = -4
5x + 4y = 204y = -5x + 20y = (-5/4)x + 5