2x+3y=17 /*(-3)
6x-2y=16
-6x - 9y = -51
6x - 2y = 16
---------------------
-6x + 6x - 9y - 2y = -51 + 16
-11y= -35 /: (-11(
y = 35/11
y = 3 2/11
2x+3y=17
2x + 3 * 35/11 = 17
2x + 105/11 = 17 /*11
22x + 105 = 187
22x = 187 - 105
22x = 82 / :22
x = 82/22
x = 41/11
x = 3 8/11
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2x+3y=17 /*(-3)
6x-2y=16
-6x - 9y = -51
6x - 2y = 16
---------------------
-6x + 6x - 9y - 2y = -51 + 16
-11y= -35 /: (-11(
y = 35/11
y = 3 2/11
2x+3y=17
2x + 3 * 35/11 = 17
2x + 105/11 = 17 /*11
22x + 105 = 187
22x = 187 - 105
22x = 82 / :22
x = 82/22
x = 41/11
x = 3 8/11