x=-7
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x + 2x + 5 = x +19 3x + 5 = x +19 3x - x = 19 - 5 2x = 14 x = 7
3X+2=2X-5 -2 -2 __________ 3X= 2X-7 -2X -2X __________ X=-7 Check: 3(-7)+2=2(-7)-5 -19=-19 :)
4x + 5 = 2x + 19Subtract 5 from each side:4x = 2x + 14Subtract 2x from each side:2x = 14Divide each side by 2:x = 7
4-2x-9 = -19 -2x = -19-4+9 -2x = -14 x = 7
6x - 5 = 19 + 2xAdd 5 to each side:6x = 24 + 2xSubtract 2x from each side:4x = 24Divide each side by 4:x = 6