3-x*7=40

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Solution for 3-x*7=40 equation:


Simplifying
3 + -1x * 7 = 40

Reorder the terms for easier multiplication:
3 + -1 * 7x = 40

Multiply -1 * 7
3 + -7x = 40

Solving
3 + -7x = 40

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + -7x = 40 + -3

Combine like terms: 3 + -3 = 0
0 + -7x = 40 + -3
-7x = 40 + -3

Combine like terms: 40 + -3 = 37
-7x = 37

Divide each side by '-7'.
x = -5.285714286

Simplifying
x = -5.285714286

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