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Simplifying 2.8 * 2 + 2.8 * 4 + 2.8 * 6 + 2.8 * 8 = x Multiply 2.8 * 2 5.6 + 2.8 * 4 + 2.8 * 6 + 2.8 * 8 = x Multiply 2.8 * 4 5.6 + 11.2 + 2.8 * 6 + 2.8 * 8 = x Multiply 2.8 * 6 5.6 + 11.2 + 16.8 + 2.8 * 8 = x Multiply 2.8 * 8 5.6 + 11.2 + 16.8 + 22.4 = x Combine like terms: 5.6 + 11.2 = 16.8 16.8 + 16.8 + 22.4 = x Combine like terms: 16.8 + 16.8 = 33.6 33.6 + 22.4 = x Combine like terms: 33.6 + 22.4 = 56 56 = x Solving 56 = x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1x' to each side of the equation. 56 + -1x = x + -1x Combine like terms: x + -1x = 0 56 + -1x = 0 Add '-56' to each side of the equation. 56 + -56 + -1x = 0 + -56 Combine like terms: 56 + -56 = 0 0 + -1x = 0 + -56 -1x = 0 + -56 Combine like terms: 0 + -56 = -56 -1x = -56 Divide each side by '-1'. x = 56 Simplifying x = 56
| (1.015y)-y=1000 | | 10x-(-20)=150 | | 234n=69 | | 0,5=100/×-1 | | 0,25=180000000/×-1 | | 18r-2-12r=6-r-26 | | 7x-40=5 | | -2(x-3)=2x-4-3x | | nh4t5544/47 | | (4*0.25-1)*(0.25+2)=x | | (4*0.25-1)*(0.25+2)= | | 7m^2=30 | | 5m^2=30 | | ln(x-4)=.78 | | R^2-10r-25=12 | | 9x+10=7+6x | | .04y=1 | | 1-cosx=-since | | 65x=13+64x | | 4x^2=-40+37x | | 26+n=32 | | x=30-11 | | 2x+3y=x-2y | | 6-2z=3+4z | | t/6-5=16 | | 3(v+5)=2v+15+v | | z^3+2iz^2-3z+9i=0 | | 5a+6b-5=0 | | 2x+25+2(x+25)=375 | | 10(s-7)=-163 | | 8(3s+1)=152 | | 2(2l+5)=46 |