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Simplifying 7cos(2x) + -2 = 0 Remove parenthesis around (2x) 7cos * 2x + -2 = 0 Reorder the terms for easier multiplication: 7 * 2cos * x + -2 = 0 Multiply 7 * 2 14cos * x + -2 = 0 Multiply cos * x 14cosx + -2 = 0 Reorder the terms: -2 + 14cosx = 0 Solving -2 + 14cosx = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + 14cosx = 0 + 2 Combine like terms: -2 + 2 = 0 0 + 14cosx = 0 + 2 14cosx = 0 + 2 Combine like terms: 0 + 2 = 2 14cosx = 2 Divide each side by '14osx'. c = 0.1428571429o-1s-1x-1 Simplifying c = 0.1428571429o-1s-1x-1
| 8d+40=5d+4 | | a-7=-5a-2 | | 5g+12=9g-16 | | 12f+13=3f-14 | | 10x-10=30x+20 | | 10x-10=30x+5 | | 10x+-10=30x | | 10x-10=30x | | 10x-1=30x | | 250=3000x+4y | | 10x-2=30x | | -7(x-3)=5(x-15) | | 7a-1=27 | | 7(x-3)=5(x-15) | | 10x-2=30x-4 | | x^2-3abs(x)+1=0 | | 1x-2=20x-4 | | 1:(?3+x)=?3:x | | 2y-14x=14 | | 10x-2=20x-4 | | 5x-9=2x-6 | | 5x-9=2x-5 | | 14e-17=4e+13 | | -16=X-6 | | 8(x+5)=4(x+18) | | 5(2X)-16(5X)+63=0 | | 11s-14=5s+22 | | -4x+24=2(4x+5)-10 | | 16u+15=5u+70 | | 16+15=5u+70 | | 13q-18=9+6 | | 7x+3=4x+27 |