If 2X - 87 = 0
Then:
2X = 87
X = 43.5
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write and equation...22 - 2x = 822 - 22 - 2x = 8 - 220 - 2x = -14-2x = -14-2x/-2 = -14/-2x = 7
2x+3 = 7 2x = 7-3 2x = 4 x = 2
Assuming the question is "solve for x", the answer is x=5
2x - 8 = 10 2x = 10 + 8 2x = 18 x = 18 / 2 x = 9
210