g(-2)=(2*(-2)+3)^12=(-4+3)^12=-1^12=-1
<span>2(x+y)+3(x-y)=-8⇒2x+2y+3x-3y=-8⇒5x-y=-8|*5⇒25x-5y=-40
3(x+y)-2(x-y)=1</span>⇒3x+3y-2x+2y=14⇒x+5y=14
26x=-26
x=-1
-5-y=-8
y=-5+8=3
x+y=-1+3=2
.............))))(((((.............
<span>3(x-5)=2x-7</span>
<span>3x-15=2x-7</span>
<span>3x-2x-15+7=0</span>
<span>x-8=0</span>
<span>x=8</span>