How to solve cos35=x/21

1. Factor the equation (x + 2)(x + 3) = 0. 2. Set each factor equal to zero: x + 2 = 0 and x + 3 = 0. 3. Solve for x: x = -2 and x = -3.

Solve cos35=x/21 | Equatix

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3(r+2s)=2t-4

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3(r+2s)=2t-4

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Question

$$\cos 35=x/21$$

Solve for x

$x=17.2021929300688278$

Steps for Solving Linear Equation

Evaluate trigonometric functions in the problem

$$0.8191520442889918 = x / 21$$

Multiply both sides by $21$.

$$0.8191520442889918\times 21=x$$

Multiply $0.8191520442889918$ and $21$ to get $17.2021929300688278$.

$$17.2021929300688278=x$$

Swap sides so that all variable terms are on the left hand side.

$$x=17.2021929300688278$$

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Question

Solve for x

Steps for Solving Linear Equation