4x=7(3+x)

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Solution for 4x=7(3+x) equation: 


Simplifying
4x = 7(3 + x)
4x = (3 * 7 + x * 7)
4x = (21 + 7x)

Solving
4x = 21 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
4x + -7x = 21 + 7x + -7x

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

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

Divide each side by '-3'.
x = -7

Simplifying
x = -7

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