.12t-2.1=0.07t+20

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Solution for .12t-2.1=0.07t+20 equation: 


Simplifying
0.12t + -2.1 = 0.07t + 20

Reorder the terms:
-2.1 + 0.12t = 0.07t + 20

Reorder the terms:
-2.1 + 0.12t = 20 + 0.07t

Solving
-2.1 + 0.12t = 20 + 0.07t

Solving for variable 't'.

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

Add '-0.07t' to each side of the equation.
-2.1 + 0.12t + -0.07t = 20 + 0.07t + -0.07t

Combine like terms: 0.12t + -0.07t = 0.05t
-2.1 + 0.05t = 20 + 0.07t + -0.07t

Combine like terms: 0.07t + -0.07t = 0.00
-2.1 + 0.05t = 20 + 0.00
-2.1 + 0.05t = 20

Add '2.1' to each side of the equation.
-2.1 + 2.1 + 0.05t = 20 + 2.1

Combine like terms: -2.1 + 2.1 = 0.0
0.0 + 0.05t = 20 + 2.1
0.05t = 20 + 2.1

Combine like terms: 20 + 2.1 = 22.1
0.05t = 22.1

Divide each side by '0.05'.
t = 442

Simplifying
t = 442

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