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Simplifying sin(2x) + -1cos(x) + -1(2sin(x)) + 1 = 0 Remove parenthesis around (2x) ins * 2x + -1cos(x) + -1(2sin(x)) + 1 = 0 Reorder the terms for easier multiplication: 2ins * x + -1cos(x) + -1(2sin(x)) + 1 = 0 Multiply ins * x 2insx + -1cos(x) + -1(2sin(x)) + 1 = 0 Multiply cos * x 2insx + -1cosx + -1(2sin(x)) + 1 = 0 Multiply ins * x 2insx + -1cosx + -1(2insx) + 1 = 0 Remove parenthesis around (2insx) 2insx + -1cosx + -1 * 2insx + 1 = 0 Multiply -1 * 2 2insx + -1cosx + -2insx + 1 = 0 Reorder the terms: 1 + -1cosx + 2insx + -2insx = 0 Combine like terms: 2insx + -2insx = 0 1 + -1cosx + 0 = 0 1 + -1cosx = 0 Solving 1 + -1cosx = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -1cosx = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1cosx = 0 + -1 -1cosx = 0 + -1 Combine like terms: 0 + -1 = -1 -1cosx = -1 Divide each side by '-1osx'. c = o-1s-1x-1 Simplifying c = o-1s-1x-1
| 3x-2=45 | | 2(x+3)+7=10 | | 5z+8=7 | | 5x-17=-82 | | -8(7x-8)=456 | | -8(7x-8)=457 | | 11x-6=61 | | Tan(3x)(tanx-1)=0 | | .75=.375x*-1.5 | | 9(8x-1)=5(4x+6) | | 75m=1350 | | -8(5b)+94+4b=-50 | | 2y+36=x | | 8b+4b-6b-4b= | | 5000-400=x | | 8-2(3x+1)=2x+3(x-9) | | 314=8x+10y | | 6x-9x=150 | | 6x=3(x+1) | | -2x-8y=-2 | | 3y-15x=-15 | | -x-5t=25 | | 123+d=143 | | 4x+8+7x-1=85 | | 0.05(x+30)-0.06(x-10)=1.5 | | =[x(18-2x)(33-2x)] | | 0.2(x+40)-0.07(x-50)=19.3 | | 5(y-2)-4y=-11+2 | | 1+5x-40=2-1x+5 | | -7x+10=3 | | -3+9x=7 | | 0.25(x+30)-0.03(x-60)=-3.9 |