It's the same as 2x - 12
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2x-2 = 10 2x= 10+2 2x=12 x= 12/2 x=6
2x - 10 =30 2x -10 = 30 +10 +10 2x = 40 /2 /2 x = 20
2X - 5Y = 10 ???? If so. 2X - 5Y = 10 - 5Y = - 2X + 10 Y = (2/5)X - 2 ================
-2x - 10 + 4 = 2 -2x - 6 = 2 -2x = 2 + 6 -2x = 8 -x = 8 / 2 x = -4 Check: -2(-4) - 10 + 4 = 2 8 - 10 + 4 = 2 8 - 6 = 2 2 = 2
2x + 7 = 10 2x + 7 - 7 = 10 - 7 2x = 3 2x/2 = 3/2 x = 1 1/2 OR 1.5 The answer is 1 1/2, also written as 1.5