-7x-2(-4.571428571)=-13

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Solution for -7x-2(-4.571428571)=-13 equation: 


Simplifying
-7x + -2(-4.571428571) = -13

Multiply -2 * -4.571428571
-7x + 9.142857142 = -13

Reorder the terms:
9.142857142 + -7x = -13

Solving
9.142857142 + -7x = -13

Solving for variable 'x'.

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

Add '-9.142857142' to each side of the equation.
9.142857142 + -9.142857142 + -7x = -13 + -9.142857142

Combine like terms: 9.142857142 + -9.142857142 = 0.000000000
0.000000000 + -7x = -13 + -9.142857142
-7x = -13 + -9.142857142

Combine like terms: -13 + -9.142857142 = -22.142857142
-7x = -22.142857142

Divide each side by '-7'.
x = 3.163265306

Simplifying
x = 3.163265306

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