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Simplifying 2cos(x) + 3.4 = 2.1 Multiply cos * x 2cosx + 3.4 = 2.1 Reorder the terms: 3.4 + 2cosx = 2.1 Solving 3.4 + 2cosx = 2.1 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-3.4' to each side of the equation. 3.4 + -3.4 + 2cosx = 2.1 + -3.4 Combine like terms: 3.4 + -3.4 = 0.0 0.0 + 2cosx = 2.1 + -3.4 2cosx = 2.1 + -3.4 Combine like terms: 2.1 + -3.4 = -1.3 2cosx = -1.3 Divide each side by '2osx'. c = -0.65o-1s-1x-1 Simplifying c = -0.65o-1s-1x-1
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