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Simplifying 2.1(3 + 4x) + -8.1 = 1.5(2 + 4x) (3 * 2.1 + 4x * 2.1) + -8.1 = 1.5(2 + 4x) (6.3 + 8.4x) + -8.1 = 1.5(2 + 4x) Reorder the terms: 6.3 + -8.1 + 8.4x = 1.5(2 + 4x) Combine like terms: 6.3 + -8.1 = -1.8 -1.8 + 8.4x = 1.5(2 + 4x) -1.8 + 8.4x = (2 * 1.5 + 4x * 1.5) -1.8 + 8.4x = (3 + 6x) Solving -1.8 + 8.4x = 3 + 6x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-6x' to each side of the equation. -1.8 + 8.4x + -6x = 3 + 6x + -6x Combine like terms: 8.4x + -6x = 2.4x -1.8 + 2.4x = 3 + 6x + -6x Combine like terms: 6x + -6x = 0 -1.8 + 2.4x = 3 + 0 -1.8 + 2.4x = 3 Add '1.8' to each side of the equation. -1.8 + 1.8 + 2.4x = 3 + 1.8 Combine like terms: -1.8 + 1.8 = 0.0 0.0 + 2.4x = 3 + 1.8 2.4x = 3 + 1.8 Combine like terms: 3 + 1.8 = 4.8 2.4x = 4.8 Divide each side by '2.4'. x = 2 Simplifying x = 2
| 16.4+0.5x=9.4-1.1x+12 | | .70x+.05(8-x)=.10(121) | | -0.5-3=12 | | =16-14-13-18+19+14-17+21 | | 0.3(c+5)-0.7(c+1)=6 | | 30(x-0.8)=10x+16 | | 16.4+0.5x=9.4-1.1+12 | | p=-x^2+10x+35 | | 3(2a-7)+4=-5 | | 0.45*5p=29.25 | | 2x^2*35x*-7.5=0 | | 1y+27=y+12 | | 2a+6=2(6a+13) | | 2p^2=-7p-3 | | 35t=420 | | 2a+6=2(0.6a+1.3) | | =14-12-21-14+17-18+19-32 | | 4.1+8.3=41.264 | | x-0.33=0.66 | | 4x-3+x=12 | | 7(2x+9)=3x+28 | | 4s-12=4s-12 | | 0=t^3-9t+2 | | 2.5(x-2)= | | 00.6(y-15)=0.06y+0.05 | | =-86(49+(-48)) | | 14x+56=16x+32 | | 5cosx+3cos(2x)=3 | | 2.5(x-2)=4x | | 0.14m+3-0.6m=0.28m-0.7 | | .04x+13(10000-x)= | | (1x^4-1y)dx+(-1x+4y^2)dy=0 |