3x+40=80-5x

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Solution for 3x+40=80-5x equation:


Simplifying
3x + 40 = 80 + -5x

Reorder the terms:
40 + 3x = 80 + -5x

Solving
40 + 3x = 80 + -5x

Solving for variable 'x'.

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

Add '5x' to each side of the equation.
40 + 3x + 5x = 80 + -5x + 5x

Combine like terms: 3x + 5x = 8x
40 + 8x = 80 + -5x + 5x

Combine like terms: -5x + 5x = 0
40 + 8x = 80 + 0
40 + 8x = 80

Add '-40' to each side of the equation.
40 + -40 + 8x = 80 + -40

Combine like terms: 40 + -40 = 0
0 + 8x = 80 + -40
8x = 80 + -40

Combine like terms: 80 + -40 = 40
8x = 40

Divide each side by '8'.
x = 5

Simplifying
x = 5

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