7+30x=20x+9

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Solution for 7+30x=20x+9 equation:


Simplifying
7 + 30x = 20x + 9

Reorder the terms:
7 + 30x = 9 + 20x

Solving
7 + 30x = 9 + 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.
7 + 30x + -20x = 9 + 20x + -20x

Combine like terms: 30x + -20x = 10x
7 + 10x = 9 + 20x + -20x

Combine like terms: 20x + -20x = 0
7 + 10x = 9 + 0
7 + 10x = 9

Add '-7' to each side of the equation.
7 + -7 + 10x = 9 + -7

Combine like terms: 7 + -7 = 0
0 + 10x = 9 + -7
10x = 9 + -7

Combine like terms: 9 + -7 = 2
10x = 2

Divide each side by '10'.
x = 0.2

Simplifying
x = 0.2

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