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Simplifying 3x + 4x + 20 = 180 Reorder the terms: 20 + 3x + 4x = 180 Combine like terms: 3x + 4x = 7x 20 + 7x = 180 Solving 20 + 7x = 180 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-20' to each side of the equation. 20 + -20 + 7x = 180 + -20 Combine like terms: 20 + -20 = 0 0 + 7x = 180 + -20 7x = 180 + -20 Combine like terms: 180 + -20 = 160 7x = 160 Divide each side by '7'. x = 22.85714286 Simplifying x = 22.85714286
| cos(x)cos(7x)cos(3x)cos(5x)=0 | | (x^2y-3xy^2+5xy^2)-(-x^2y+3xy^2-3y^2)= | | 3x+4x+200=180 | | -16.5+8.8= | | 3x+4x+30=180 | | 6x-9x-44=28 | | 4u+(u-5)=15 | | -16.5+(-8.8)= | | -4X+1=12 | | 3x+4x+80=180 | | -4x+10x-120=54 | | 2=3U-10 | | 32+97+x=180 | | F(x)=6x+11 | | (7x-8)-8=-2 | | 3x+4x+50=180 | | 7x-8-8=-2 | | 5-6y=-40-5x | | 0.60(2x+3)=4.5 | | -27=-19+x | | 3x+4x+180=180 | | 9x-1=9x-1 | | 3x-5(x-4)=-3+2x+15 | | 3x+4x+90=180 | | 7(x-2)-4=24 | | 12x+27=5x+202 | | 0=-5Y+8 | | 5x+50=40 | | p-(-8)= | | 3x^2+36x+7=0 | | 7Y+35=0 | | 0.1b=37 |