2500=400+21t

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Solution for 2500=400+21t equation:


Simplifying
2500 = 400 + 21t

Solving
2500 = 400 + 21t

Solving for variable 't'.

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

Add '-21t' to each side of the equation.
2500 + -21t = 400 + 21t + -21t

Combine like terms: 21t + -21t = 0
2500 + -21t = 400 + 0
2500 + -21t = 400

Add '-2500' to each side of the equation.
2500 + -2500 + -21t = 400 + -2500

Combine like terms: 2500 + -2500 = 0
0 + -21t = 400 + -2500
-21t = 400 + -2500

Combine like terms: 400 + -2500 = -2100
-21t = -2100

Divide each side by '-21'.
t = 100

Simplifying
t = 100

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