.86(-4-7x)=-75.43

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Solution for .86(-4-7x)=-75.43 equation: 


Simplifying
0.86(-4 + -7x) = -75.43
(-4 * 0.86 + -7x * 0.86) = -75.43
(-3.44 + -6.02x) = -75.43

Solving
-3.44 + -6.02x = -75.43

Solving for variable 'x'.

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

Add '3.44' to each side of the equation.
-3.44 + 3.44 + -6.02x = -75.43 + 3.44

Combine like terms: -3.44 + 3.44 = 0.00
0.00 + -6.02x = -75.43 + 3.44
-6.02x = -75.43 + 3.44

Combine like terms: -75.43 + 3.44 = -71.99
-6.02x = -71.99

Divide each side by '-6.02'.
x = 11.95847176

Simplifying
x = 11.95847176

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