Is the equation always sometimes or never true . . 15+2x-4=9x+11-7x. . 2x+3(4x-1)=2(5x+3)+4x
1 answer:
15 + 2x - 4 = 9x + 11 - 7x is always true. You can prove this by plugging in random values for x. I plugged in x = 0, (11=11), and x=1 (13=13).
2x + 3(4x-1) = 2(5x+3) = 4x is never true. When you try to solve for x, the x disappears.
2x +12x - 3 = 10x + 6 + 4x
14x - 3 = 14x + 6
-3 = 6 Not possible.
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