4*-7=x

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Solution for 4*-7=x equation:


Simplifying
4 * -7 = x

Multiply 4 * -7
-28 = x

Solving
-28 = x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-28 + -1x = x + -1x

Combine like terms: x + -1x = 0
-28 + -1x = 0

Add '28' to each side of the equation.
-28 + 28 + -1x = 0 + 28

Combine like terms: -28 + 28 = 0
0 + -1x = 0 + 28
-1x = 0 + 28

Combine like terms: 0 + 28 = 28
-1x = 28

Divide each side by '-1'.
x = -28

Simplifying
x = -28

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