5x+42=105-3x

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Solution for 5x+42=105-3x equation:


Simplifying
5x + 42 = 105 + -3x

Reorder the terms:
42 + 5x = 105 + -3x

Solving
42 + 5x = 105 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
42 + 5x + 3x = 105 + -3x + 3x

Combine like terms: 5x + 3x = 8x
42 + 8x = 105 + -3x + 3x

Combine like terms: -3x + 3x = 0
42 + 8x = 105 + 0
42 + 8x = 105

Add '-42' to each side of the equation.
42 + -42 + 8x = 105 + -42

Combine like terms: 42 + -42 = 0
0 + 8x = 105 + -42
8x = 105 + -42

Combine like terms: 105 + -42 = 63
8x = 63

Divide each side by '8'.
x = 7.875

Simplifying
x = 7.875

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