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2.) (-6x) + (-8x) + 3x + 10 = -11x + 10
3.) 9x - 7y - 5y - 4x = 5x - 12y
4.) 10x - (-6x) - (-7x) - 3y = 23x - 3y
=5x+8x+7y+(-8y)
=13x-y
2.-6x + -8x + 3x +10
= -11x + 10
3. 9x - 7y - 5y - 4x
=9x-4x-7y-5y
=5x-12y
4.10x-(-6x)-(-7x)-3y
=23x-3y