-21-4x=3x+16

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


Simplifying
-21 + -4x = 3x + 16

Reorder the terms:
-21 + -4x = 16 + 3x

Solving
-21 + -4x = 16 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-21 + -4x + -3x = 16 + 3x + -3x

Combine like terms: -4x + -3x = -7x
-21 + -7x = 16 + 3x + -3x

Combine like terms: 3x + -3x = 0
-21 + -7x = 16 + 0
-21 + -7x = 16

Add '21' to each side of the equation.
-21 + 21 + -7x = 16 + 21

Combine like terms: -21 + 21 = 0
0 + -7x = 16 + 21
-7x = 16 + 21

Combine like terms: 16 + 21 = 37
-7x = 37

Divide each side by '-7'.
x = -5.285714286

Simplifying
x = -5.285714286

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