30x+42=35x+40

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Solution for 30x+42=35x+40 equation:


Simplifying
30x + 42 = 35x + 40

Reorder the terms:
42 + 30x = 35x + 40

Reorder the terms:
42 + 30x = 40 + 35x

Solving
42 + 30x = 40 + 35x

Solving for variable 'x'.

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

Add '-35x' to each side of the equation.
42 + 30x + -35x = 40 + 35x + -35x

Combine like terms: 30x + -35x = -5x
42 + -5x = 40 + 35x + -35x

Combine like terms: 35x + -35x = 0
42 + -5x = 40 + 0
42 + -5x = 40

Add '-42' to each side of the equation.
42 + -42 + -5x = 40 + -42

Combine like terms: 42 + -42 = 0
0 + -5x = 40 + -42
-5x = 40 + -42

Combine like terms: 40 + -42 = -2
-5x = -2

Divide each side by '-5'.
x = 0.4

Simplifying
x = 0.4

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