4x=2(5x+21)

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


Simplifying
4x = 2(5x + 21)

Reorder the terms:
4x = 2(21 + 5x)
4x = (21 * 2 + 5x * 2)
4x = (42 + 10x)

Solving
4x = 42 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
4x + -10x = 42 + 10x + -10x

Combine like terms: 4x + -10x = -6x
-6x = 42 + 10x + -10x

Combine like terms: 10x + -10x = 0
-6x = 42 + 0
-6x = 42

Divide each side by '-6'.
x = -7

Simplifying
x = -7

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