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Simplifying 2cos(0.5x) + 3 = -2x2 + x + 10 Remove parenthesis around (0.5x) 2cos * 0.5x + 3 = -2x2 + x + 10 Reorder the terms for easier multiplication: 2 * 0.5cos * x + 3 = -2x2 + x + 10 Multiply 2 * 0.5 1cos * x + 3 = -2x2 + x + 10 Multiply cos * x 1cosx + 3 = -2x2 + x + 10 Reorder the terms: 3 + 1cosx = -2x2 + x + 10 Reorder the terms: 3 + 1cosx = 10 + x + -2x2 Solving 3 + 1cosx = 10 + x + -2x2 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + 1cosx = 10 + x + -3 + -2x2 Combine like terms: 3 + -3 = 0 0 + 1cosx = 10 + x + -3 + -2x2 1cosx = 10 + x + -3 + -2x2 Reorder the terms: 1cosx = 10 + -3 + x + -2x2 Combine like terms: 10 + -3 = 7 1cosx = 7 + x + -2x2 Divide each side by '1osx'. c = 7o-1s-1x-1 + o-1s-1 + -2o-1s-1x Simplifying c = 7o-1s-1x-1 + o-1s-1 + -2o-1s-1x Reorder the terms: c = o-1s-1 + 7o-1s-1x-1 + -2o-1s-1x
| 91=13+2x | | -10+2y=2 | | 2r-11=7+5r | | x+15=x-12 | | 7(5+2v)+3c= | | Log[3](3x-11)= | | 23-4z=7 | | 8x-cy=12 | | 1/6*t=-4 | | 9r-3r-27r= | | 1/6t=-4 | | 1/4x(16-7) | | 3+1.5y= | | 9+6(x-9)=2-7(x-6) | | -17=0.33333(9y+12) | | 5mn+2mn+m= | | 7x=11+5x | | -17=onethird(9y+12) | | 3k+2+k+5= | | 2x+x=-30 | | 4/5x-6=9/5 | | 11(2n+5)= | | 2(x-3)-5(y-1)=3 | | 5(7-2k)= | | 2.4(x-5)=7.2 | | 14-4(x-5)=6-2 | | 8(2m-5)= | | 6-5+x=30 | | 7.2-c=2 | | 16x+8y=72 | | 6m+3(4m+18)=-103 | | (x+3)(2x+10)= |