Simplify both sides of the equation -4.8=1.2s+2s+4 Combine like terms -4.8=(1.2s+2s)+(4) -4.8=3.2s+4 Flip the equation 3.2s+4=-4.8 Subtract both sides by 4 3.2s+4-4=-4.8-4 3.2s=-8.8 Divide both sides by 3.2 3.2s/3.2= -8.8/3.2 S=-2.75 will be the answer hope it helps
