4[t+1]=20

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Solution for 4[t+1]=20 equation: 


Simplifying
4[t + 1] = 20

Reorder the terms:
4[1 + t] = 20
[1 * 4 + t * 4] = 20
[4 + 4t] = 20

Solving
4 + 4t = 20

Solving for variable 't'.

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

Add '-4' to each side of the equation.
4 + -4 + 4t = 20 + -4

Combine like terms: 4 + -4 = 0
0 + 4t = 20 + -4
4t = 20 + -4

Combine like terms: 20 + -4 = 16
4t = 16

Divide each side by '4'.
t = 4

Simplifying
t = 4

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