4x-5-7x=42

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Solution for 4x-5-7x=42 equation:


Simplifying
4x + -5 + -7x = 42

Reorder the terms:
-5 + 4x + -7x = 42

Combine like terms: 4x + -7x = -3x
-5 + -3x = 42

Solving
-5 + -3x = 42

Solving for variable 'x'.

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

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

Combine like terms: -5 + 5 = 0
0 + -3x = 42 + 5
-3x = 42 + 5

Combine like terms: 42 + 5 = 47
-3x = 47

Divide each side by '-3'.
x = -15.66666667

Simplifying
x = -15.66666667

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