42=7x+1+4x-8

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Solution for 42=7x+1+4x-8 equation:


Simplifying
42 = 7x + 1 + 4x + -8

Reorder the terms:
42 = 1 + -8 + 7x + 4x

Combine like terms: 1 + -8 = -7
42 = -7 + 7x + 4x

Combine like terms: 7x + 4x = 11x
42 = -7 + 11x

Solving
42 = -7 + 11x

Solving for variable 'x'.

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

Add '-11x' to each side of the equation.
42 + -11x = -7 + 11x + -11x

Combine like terms: 11x + -11x = 0
42 + -11x = -7 + 0
42 + -11x = -7

Add '-42' to each side of the equation.
42 + -42 + -11x = -7 + -42

Combine like terms: 42 + -42 = 0
0 + -11x = -7 + -42
-11x = -7 + -42

Combine like terms: -7 + -42 = -49
-11x = -49

Divide each side by '-11'.
x = 4.454545455

Simplifying
x = 4.454545455

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