4+9t-3=7t+21-3t

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Solution for 4+9t-3=7t+21-3t equation:


Simplifying
4 + 9t + -3 = 7t + 21 + -3t

Reorder the terms:
4 + -3 + 9t = 7t + 21 + -3t

Combine like terms: 4 + -3 = 1
1 + 9t = 7t + 21 + -3t

Reorder the terms:
1 + 9t = 21 + 7t + -3t

Combine like terms: 7t + -3t = 4t
1 + 9t = 21 + 4t

Solving
1 + 9t = 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.
1 + 9t + -4t = 21 + 4t + -4t

Combine like terms: 9t + -4t = 5t
1 + 5t = 21 + 4t + -4t

Combine like terms: 4t + -4t = 0
1 + 5t = 21 + 0
1 + 5t = 21

Add '-1' to each side of the equation.
1 + -1 + 5t = 21 + -1

Combine like terms: 1 + -1 = 0
0 + 5t = 21 + -1
5t = 21 + -1

Combine like terms: 21 + -1 = 20
5t = 20

Divide each side by '5'.
t = 4

Simplifying
t = 4

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