-31x-20+3x+21=38

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Solution for -31x-20+3x+21=38 equation:


Simplifying
-31x + -20 + 3x + 21 = 38

Reorder the terms:
-20 + 21 + -31x + 3x = 38

Combine like terms: -20 + 21 = 1
1 + -31x + 3x = 38

Combine like terms: -31x + 3x = -28x
1 + -28x = 38

Solving
1 + -28x = 38

Solving for variable 'x'.

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

Add '-1' to each side of the equation.
1 + -1 + -28x = 38 + -1

Combine like terms: 1 + -1 = 0
0 + -28x = 38 + -1
-28x = 38 + -1

Combine like terms: 38 + -1 = 37
-28x = 37

Divide each side by '-28'.
x = -1.321428571

Simplifying
x = -1.321428571

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