9+5t+4=4t+21

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Solution for 9+5t+4=4t+21 equation:


Simplifying
9 + 5t + 4 = 4t + 21

Reorder the terms:
9 + 4 + 5t = 4t + 21

Combine like terms: 9 + 4 = 13
13 + 5t = 4t + 21

Reorder the terms:
13 + 5t = 21 + 4t

Solving
13 + 5t = 21 + 4t

Solving for variable 't'.

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

Add '-4t' to each side of the equation.
13 + 5t + -4t = 21 + 4t + -4t

Combine like terms: 5t + -4t = 1t
13 + 1t = 21 + 4t + -4t

Combine like terms: 4t + -4t = 0
13 + 1t = 21 + 0
13 + 1t = 21

Add '-13' to each side of the equation.
13 + -13 + 1t = 21 + -13

Combine like terms: 13 + -13 = 0
0 + 1t = 21 + -13
1t = 21 + -13

Combine like terms: 21 + -13 = 8
1t = 8

Divide each side by '1'.
t = 8

Simplifying
t = 8

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