3+30x=20x+21

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Solution for 3+30x=20x+21 equation:


Simplifying
3 + 30x = 20x + 21

Reorder the terms:
3 + 30x = 21 + 20x

Solving
3 + 30x = 21 + 20x

Solving for variable 'x'.

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

Add '-20x' to each side of the equation.
3 + 30x + -20x = 21 + 20x + -20x

Combine like terms: 30x + -20x = 10x
3 + 10x = 21 + 20x + -20x

Combine like terms: 20x + -20x = 0
3 + 10x = 21 + 0
3 + 10x = 21

Add '-3' to each side of the equation.
3 + -3 + 10x = 21 + -3

Combine like terms: 3 + -3 = 0
0 + 10x = 21 + -3
10x = 21 + -3

Combine like terms: 21 + -3 = 18
10x = 18

Divide each side by '10'.
x = 1.8

Simplifying
x = 1.8

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