-80=4*7x

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Solution for -80=4*7x equation:


Simplifying
-80 = 4 * 7x

Multiply 4 * 7
-80 = 28x

Solving
-80 = 28x

Solving for variable 'x'.

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

Add '-28x' to each side of the equation.
-80 + -28x = 28x + -28x

Combine like terms: 28x + -28x = 0
-80 + -28x = 0

Add '80' to each side of the equation.
-80 + 80 + -28x = 0 + 80

Combine like terms: -80 + 80 = 0
0 + -28x = 0 + 80
-28x = 0 + 80

Combine like terms: 0 + 80 = 80
-28x = 80

Divide each side by '-28'.
x = -2.857142857

Simplifying
x = -2.857142857

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