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4(x+2)=20 + 8 = 20 4x = = x= 2(3x+5)=40 + 10 = 40 6x = = x= 5(2x-7)=15 -35 = 15 6x = = x= -2(8x+6)=20 -16x = -12 = 20 = x= -(9x-4)=-5 -9x = +4 = -5 = x= -5(3x-9)=10 -15x = =10 = x= 3(3x-7)+4=10 9x - 9x= = +4=10 =10 x= -2(4x-11)-7=-17 -8x -8x= + = -7=-17 =-17 x= -7(2x-6)+3x=-13 -11x= + = +42=-13 +3x=-13 x= 8(3x-5)-7x=14 27x= - = -40=14 +3x=14 x= |