42=7x-3

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Solution for 42=7x-3 equation:


Simplifying
42 = 7x + -3

Reorder the terms:
42 = -3 + 7x

Solving
42 = -3 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
42 + -7x = -3 + 7x + -7x

Combine like terms: 7x + -7x = 0
42 + -7x = -3 + 0
42 + -7x = -3

Add '-42' to each side of the equation.
42 + -42 + -7x = -3 + -42

Combine like terms: 42 + -42 = 0
0 + -7x = -3 + -42
-7x = -3 + -42

Combine like terms: -3 + -42 = -45
-7x = -45

Divide each side by '-7'.
x = 6.428571429

Simplifying
x = 6.428571429

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