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Simplifying x + 3x + (x + 5) = 90 Reorder the terms: x + 3x + (5 + x) = 90 Remove parenthesis around (5 + x) x + 3x + 5 + x = 90 Reorder the terms: 5 + x + 3x + x = 90 Combine like terms: x + 3x = 4x 5 + 4x + x = 90 Combine like terms: 4x + x = 5x 5 + 5x = 90 Solving 5 + 5x = 90 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + 5x = 90 + -5 Combine like terms: 5 + -5 = 0 0 + 5x = 90 + -5 5x = 90 + -5 Combine like terms: 90 + -5 = 85 5x = 85 Divide each side by '5'. x = 17 Simplifying x = 17
| 3X^2+6x=3 | | =11,20,29,39,47 | | 203.973037*1x+205.974455*.241+206.975885*.221+207.976641*.538-1x=207.2 | | 11,20,29,38,47= | | 13+4x=7(2-x) | | 8-(6-6n)+15n=-8+18(n+1) | | .75u-1.75=-.3u-4 | | 14x+18y=940 | | 6x-5=8x-3 | | 3log(5x-2)=0 | | (-5x^3y^6)(6xy^2)= | | 12x^2+2=50 | | ln(x-7)+ln(x+8)=7 | | 8x+10=45 | | 10r-3(r+3)=4(3r-6)-10 | | (-1i)(-5i)= | | 2x^2+5=1 | | -2(2x-1)=-6 | | 18s^2-72s=0 | | -16(t-1.5)(t+1)=24 | | 8x-20=10x+2 | | (-a-4b+2)2ab= | | h(t)=-16t^2+240t+80 | | 5-1.118t+0.0625t^2=0 | | -46-(-58)= | | 5+12x=-17+x | | 6u-11=4(u+6)-3 | | 4x+4=17(2x-1) | | 3x+4.7=8.3 | | 16-2x=-5x+10 | | 2x^2+15x+30=24 | | -17-2x=B-X |