5x+18 = 2x+9 5x-2x = 9-18 3x = -9 x = -3 and y = 3
2x +1 = 5x-2 2x +3= 5x 3 = 3x x=1
-5x+3(x+8)=16-2x
If: x+9+5x = 21+2x Then: x = 3
x=4
33
3x + 5x = 2x + 28x = 2x + 26x = 2x = (2/6) = 1/3
x=4
x=1 2/3 How?: 2x-4+3 = 5x-6 2x-1 = 5x-6 2x-1+1 = 5x-6+1 2x = 5x-5 2x-5x = 5x-5x-5 -3x = -5 -3x/-3 = -5/-3 x = 5/3 x = 1 2/3
Then x = 6 Therefore; 5x + 3 = 33 First you have to solve the value of X: 8X + 5X + 2X +4X = 114; OR 19x = 114. When you divide both sides of the equation by 19 to solve for X, you find that X = 6. Ergo, 5X + 3 = 30 + 3 = 33; hence, 5X + 3 = 33.
-3(x-5)=2x -3x+15=2x 15=5x x=3
2x - 5x = -6 -3x = -6 3x = 6 x = 6/3 x = 2 By Mohammed Arafat
(3x + 4)(2x - 1) = 0 3x = -4 x = -4/3 2x = 1 x = 1/2 x = 1/2, -4/3
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2(3x + 4) + 5x - 2
If 5x plus 3y equals 13, the x equals 2 and y equals 1. This is because 5x2=10 and 3x1=3, and 10+3=13.
3