y=-20sin(4x)

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Solution for y=-20sin(4x) equation: 


Simplifying
y = -20sin(4x)

Remove parenthesis around (4x)
y = -20ins * 4x

Reorder the terms for easier multiplication:
y = -20 * 4ins * x

Multiply -20 * 4
y = -80ins * x

Multiply ins * x
y = -80insx

Solving
y = -80insx

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Simplifying
y = -80insx

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