abfultz1 abfultz1 12-12-2020 Mathematics contestada 1. 6x+4x−1=2(5x+4) 2. 48x+43=47x+43 3. 2(3x+8)=2x+16+4x 4. 0.4(5x−15)=2.5(x+3) 5. 3(4x+2)=20x−9x+2