solve 0.7(5x+15)=2.9-(x+3)
0.7(5x+15)=2.9 -(x+3)3.5x+10.5=2.9-x-33.5x+10.5= -0.1- x4.5x= -10.6x= -2.3555...Check:0.7(5(-2.3555...) +15) = 2.9 -(x+3)2.2555... = 2.2555...