5x + 5 = 8 -3x 5x = 3 -3x 8x = 3 x = 0.375
5x+3 = 3x+11 5x-3x = 11-3 2x = 8 x = 4
3x+7=5x-13 ----> 3x-5x=-13-7 ----> -2x=-6 -----> x=3
32-5x=3x+8 32-5x-8=3x+8-8 24-5x=3x 24-5x+5x=3x+5x 24=8x x=24/8=3
3x + 7 = 5x + 13 3x - 5x = 13 - 7 -2x = 6 -x = 3 x = -3
5x + 5 = 8 -3x 5x = 3 -3x 8x = 3 x = 0.375
5x+3 = 3x+11 5x-3x = 11-3 2x = 8 x = 4
3x**2=5x 3x=5 x=5/3
3x+7=5x-13 ----> 3x-5x=-13-7 ----> -2x=-6 -----> x=3
32-5x=3x+8 32-5x-8=3x+8-8 24-5x=3x 24-5x+5x=3x+5x 24=8x x=24/8=3
3x + 7 = 5x + 13 3x - 5x = 13 - 7 -2x = 6 -x = 3 x = -3
The value of x is: x=7/8. Work: 5x-3=4-3x +3 +3 ________ 5x=7-3x +3x +3x ________ 8x=7 /8 /8 ________ x=7/8
3
9x + 5 = 5x + 179x + 5 - 5x = 179x - 5x = 4x5-4x=1717-5=1212 divided by 4 = 3x=3
3x - 7 = 5x + 133x - 5x = 13 + 7-2x = 20x = -10x=-3
3x = 5x - 10 Subtract both sides by 5x 3x - 5x = 5x - 10 - 5x Simplify - 2x = - 10 Divided both sides by -2 to isolate x - 2x / - 2 = - 10 / - 2 Simplify x = 5 Plug x into the original equation. 3(5) = 5(5) - 10 = ? Simplify 15 = 25 - 10 = ? Simplify 15 = 15 = ? Therefore 3x = 5x - 10 = 15
if you meant 5x+9=3*15 then, 5x = 36, x = 7.2 if you meant 5x+9=3x+15 then, 2x = 6, x = 3