Add 4x + 2x = 6x + 4 = 6x + 4
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2x + 2x + 146 + 26 = 172 4x + 172 = 172 4x = 0 x = 0
y=4x-8y=2x+10Substitute (4x-8) for y in the second equation and solve for x:4x-8=2x+102x=18x=9Now solve for y:y=4(9)-8=28(9,28)
-6 + 4x + (9-2x) = -6 + 4x + 9 - 2x = [ 3 + 2x ]
2x+4-x = 4x-5 2x-x-4x = -5-4 -3x = -9 x = 3
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