40x+80=30x+100

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Solution for 40x+80=30x+100 equation:


Simplifying
40x + 80 = 30x + 100

Reorder the terms:
80 + 40x = 30x + 100

Reorder the terms:
80 + 40x = 100 + 30x

Solving
80 + 40x = 100 + 30x

Solving for variable 'x'.

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

Add '-30x' to each side of the equation.
80 + 40x + -30x = 100 + 30x + -30x

Combine like terms: 40x + -30x = 10x
80 + 10x = 100 + 30x + -30x

Combine like terms: 30x + -30x = 0
80 + 10x = 100 + 0
80 + 10x = 100

Add '-80' to each side of the equation.
80 + -80 + 10x = 100 + -80

Combine like terms: 80 + -80 = 0
0 + 10x = 100 + -80
10x = 100 + -80

Combine like terms: 100 + -80 = 20
10x = 20

Divide each side by '10'.
x = 2

Simplifying
x = 2

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