13-t+20-t=17

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Solution for 13-t+20-t=17 equation:


Simplifying
13 + -1t + 20 + -1t = 17

Reorder the terms:
13 + 20 + -1t + -1t = 17

Combine like terms: 13 + 20 = 33
33 + -1t + -1t = 17

Combine like terms: -1t + -1t = -2t
33 + -2t = 17

Solving
33 + -2t = 17

Solving for variable 't'.

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

Add '-33' to each side of the equation.
33 + -33 + -2t = 17 + -33

Combine like terms: 33 + -33 = 0
0 + -2t = 17 + -33
-2t = 17 + -33

Combine like terms: 17 + -33 = -16
-2t = -16

Divide each side by '-2'.
t = 8

Simplifying
t = 8

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