8x + x = 1 -8x + 3x = -3
Clean up
9x = 1
-5x = -3
x = 1/9
x = 3/5
Two different answers. If you were expected to solve them simultaneously, this would be an incompatible set, returning an answer of {Φ} ■
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8x - 19 = 3x + 1 5x -19 = 1 5x = 20 x = 4
-3x + 1
Rearranging the formula to group like terms together, 8x = 89 - 1. Therefore, 8x = 88, therefore, x = 11.
0. 7 - 3x = 5x + 13 1. 7 - 8x = 13 2. -8x = 5 3. x = -5/8.
7. 8x-40=2x+2 4x-20=1x+1 3x-21=0 3x=21 therefore x=7