The value of x is: x=7/8.
Work:
5x-3=4-3x
+3 +3
________
5x=7-3x
+3x +3x
________
8x=7
/8 /8
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x=7/8
3x + 5x = 2x + 28x = 2x + 26x = 2x = (2/6) = 1/3
4x + -x = 3x
5x + 8 = 3x + 25x - 3x = 2 - 82x = -6x = -6/2x = -3Check:5(-3) + 8 = 3(-3) + 2-15 + 8 = -9 + 2-7 = -7
At x = 3, the value of F(x) = 3x + 2 is the value 11, which graphs to the point (3, 11).
If: 3x-5y = 25 Then: -5y = -3x+25 And: y = 3/5x-5 So: slope is 3/5 or 0.6 and the y intercept is -5
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
3
3x - 7 = 5x + 133x - 5x = 13 + 7-2x = 20x = -10x=-3
6x - 3x = 5x - 10x + 12 6x - 3x - 5x + 10x = 12 8x = 12 8x/8 = 12/8 x = 12/8 = 3/2 x = 1.5
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
x=-3
x = -5/3 y = -4/3