x+4x+3=20

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Solution for x+4x+3=20 equation: 


Simplifying
x + 4x + 3 = 20

Reorder the terms:
3 + x + 4x = 20

Combine like terms: x + 4x = 5x
3 + 5x = 20

Solving
3 + 5x = 20

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 5x = 20 + -3

Combine like terms: 3 + -3 = 0
0 + 5x = 20 + -3
5x = 20 + -3

Combine like terms: 20 + -3 = 17
5x = 17

Divide each side by '5'.
x = 3.4

Simplifying
x = 3.4

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