13=-3*1-20

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Solution for 13=-3*1-20 equation:


13=-3*1-20

We simplify the equation to the form, which is simple to understand 
13=-3*1-20

Simplifying:
13=-3-20

We move all terms containing  to the left and all other terms to the right. 
0=-3-20-13

We simplify left and right side of the equation. 
0=-36

0=-36

The left and right sides are not equal, therefore there is no solution. This equation is invalid.

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