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2.a)4x-10=6x+2 /-6x +10-2x=12 /:(-2)x=-6b)3(x+1)=x+93x+3=x+9 /-x -32x=6 /:2x=3c)4x=36 /:4x=9
a)x*(3x-2y)=3x^2-2xy
b)(8a-4b):2=4a-2b
c)(x+2)*(x-3)=x^2-3x+2x-6=x^2-x-6
d)(6x+3)-(x-1)=(6x+3)(-x+1)=-6x^2+6x-3x+3=-6x^2+3x+3
2.
a)4x-10=6x+2 /-6x +10
-2x=12 /:(-2)
x=-6
b)3(x+1)=x+9
3x+3=x+9 /-x -3
2x=6 /:2
x=3
c)
4x=36 /:4
x=9