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Answer:
-90
Explanation:
0.3x-8=0.5x+10
collecting like terms
0.3x-0.5x=10+8
-0.2x/-0.2=18/-0.2
x=-90
0.3x - 8 = 0.5x + 10
0.3x - 0.5x = 10 + 8
-0.2x = 18
x = 18 / (-0.2)
x = -90