x+2y=115x-3y=3
x+2y=11
y=-x/2+5.5
5x-3y=3
5x-3*(-x/2+5.5)=3
5x+1.5x-16.5-3=0
6.5x-19.5=0
x=19.5/6.5
x=3
3+2y=11
-8+2y=0
y=8/2
<span>y=4</span>
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=3ab×18a^(3)×b^(3)=51a^(4)b^(4)
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