5-7(2x+4)=21+4x

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Solution for 5-7(2x+4)=21+4x equation:


Simplifying
5 + -7(2x + 4) = 21 + 4x

Reorder the terms:
5 + -7(4 + 2x) = 21 + 4x
5 + (4 * -7 + 2x * -7) = 21 + 4x
5 + (-28 + -14x) = 21 + 4x

Combine like terms: 5 + -28 = -23
-23 + -14x = 21 + 4x

Solving
-23 + -14x = 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.
-23 + -14x + -4x = 21 + 4x + -4x

Combine like terms: -14x + -4x = -18x
-23 + -18x = 21 + 4x + -4x

Combine like terms: 4x + -4x = 0
-23 + -18x = 21 + 0
-23 + -18x = 21

Add '23' to each side of the equation.
-23 + 23 + -18x = 21 + 23

Combine like terms: -23 + 23 = 0
0 + -18x = 21 + 23
-18x = 21 + 23

Combine like terms: 21 + 23 = 44
-18x = 44

Divide each side by '-18'.
x = -2.444444444

Simplifying
x = -2.444444444

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