Решите уравнения 1) 3-4x=4x-5 2) 4x+4=-6x-5 3) 3x+3=-2-7x 4)-1-8x=-10x+3 5)7-6x=-4x-6 6)2(x-7)=3 7) 5(x-9)=-2 8) 7(-3+2x)=-6x-1 9) 2(7+9x)=-6x+2 10) 4(2-3x)=-7x+10

1) 3-4x=4x-5  -4х-4х = -5-3 -8х = -8  х = 1 _____________ 2) 4x+4=-6x-5    4х+6х=-5-4    10х= -9   x = -0.9 _____________ 3) 3x+3=-2-7x   3x + 7x = -2 -3   10x = - 5   x = - 0.5 _____________ 4)-1-8x=-10x+3 -8x+10x = 3+1 2x = 4 x = 2 ______________ 5)7-6x=-4x-6 -6x + 4x = -6-7 -2x = -13 x = 6.5 ____________ 6)2(x-7)=3   2x - 14 = 3   2x = 3+14   2x = 17   x = 8.5 ______________ 7) 5(x-9)=-2    5x - 45 = -2   5x = -2 + 45  5x = 43   x = 8.6 ____________ 8) 7(-3+2x)=-6x-1  -21 + 14x = -6x - 1  14x + 6x = -1+21    20x = 20  x = 1 ______________ 9) 2(7+9x)=-6x+2 14 + 18x = -6x + 2  18x+6x = 2-14   24x = -12   x = -0.5 __________________ 10) 4(2-3x)=-7x+10  8 -12x =-7x + 10  -12x + 7x = 10-8  -5x = 2 x = -0.4