16=-5(4x+3)+21x

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Solution for 16=-5(4x+3)+21x equation:


Simplifying
16 = -5(4x + 3) + 21x

Reorder the terms:
16 = -5(3 + 4x) + 21x
16 = (3 * -5 + 4x * -5) + 21x
16 = (-15 + -20x) + 21x

Combine like terms: -20x + 21x = 1x
16 = -15 + 1x

Solving
16 = -15 + 1x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
16 + -1x = -15 + 1x + -1x

Combine like terms: 1x + -1x = 0
16 + -1x = -15 + 0
16 + -1x = -15

Add '-16' to each side of the equation.
16 + -16 + -1x = -15 + -16

Combine like terms: 16 + -16 = 0
0 + -1x = -15 + -16
-1x = -15 + -16

Combine like terms: -15 + -16 = -31
-1x = -31

Divide each side by '-1'.
x = 31

Simplifying
x = 31

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