29=21-4x

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Solution for 29=21-4x equation:


Simplifying
29 = 21 + -4x

Solving
29 = 21 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
29 + 4x = 21 + -4x + 4x

Combine like terms: -4x + 4x = 0
29 + 4x = 21 + 0
29 + 4x = 21

Add '-29' to each side of the equation.
29 + -29 + 4x = 21 + -29

Combine like terms: 29 + -29 = 0
0 + 4x = 21 + -29
4x = 21 + -29

Combine like terms: 21 + -29 = -8
4x = -8

Divide each side by '4'.
x = -2

Simplifying
x = -2

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