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

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


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

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

Combine like terms: 20x + 21x = 41x
4 = 15 + 41x

Solving
4 = 15 + 41x

Solving for variable 'x'.

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

Add '-41x' to each side of the equation.
4 + -41x = 15 + 41x + -41x

Combine like terms: 41x + -41x = 0
4 + -41x = 15 + 0
4 + -41x = 15

Add '-4' to each side of the equation.
4 + -4 + -41x = 15 + -4

Combine like terms: 4 + -4 = 0
0 + -41x = 15 + -4
-41x = 15 + -4

Combine like terms: 15 + -4 = 11
-41x = 11

Divide each side by '-41'.
x = -0.2682926829

Simplifying
x = -0.2682926829

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