2x blank =22 = 44
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If: 2X+1 = 22 Then: X = 10.5
write and equation...22 - 2x = 822 - 22 - 2x = 8 - 220 - 2x = -14-2x = -14-2x/-2 = -14/-2x = 7
2x - 7 = 15 2x = 22 x = 11
22 12+2x = 33 2x = 33-22 = 11
int[e(2X) +e(- 2X)] integrate term by term 1/22 e(2X) - 1/22 e(- 2X) + C (1/4)e(2X) - (1/4)e(- 2X) + C ====================