10t-20=9t-13

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Solution for 10t-20=9t-13 equation:


Simplifying
10t + -20 = 9t + -13

Reorder the terms:
-20 + 10t = 9t + -13

Reorder the terms:
-20 + 10t = -13 + 9t

Solving
-20 + 10t = -13 + 9t

Solving for variable 't'.

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

Add '-9t' to each side of the equation.
-20 + 10t + -9t = -13 + 9t + -9t

Combine like terms: 10t + -9t = 1t
-20 + 1t = -13 + 9t + -9t

Combine like terms: 9t + -9t = 0
-20 + 1t = -13 + 0
-20 + 1t = -13

Add '20' to each side of the equation.
-20 + 20 + 1t = -13 + 20

Combine like terms: -20 + 20 = 0
0 + 1t = -13 + 20
1t = -13 + 20

Combine like terms: -13 + 20 = 7
1t = 7

Divide each side by '1'.
t = 7

Simplifying
t = 7

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