2.1=t-4

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Solution for 2.1=t-4 equation: 


Simplifying
2.1 = t + -4

Reorder the terms:
2.1 = -4 + t

Solving
2.1 = -4 + t

Solving for variable 't'.

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

Add '-1t' to each side of the equation.
2.1 + -1t = -4 + t + -1t

Combine like terms: t + -1t = 0
2.1 + -1t = -4 + 0
2.1 + -1t = -4

Add '-2.1' to each side of the equation.
2.1 + -2.1 + -1t = -4 + -2.1

Combine like terms: 2.1 + -2.1 = 0.0
0.0 + -1t = -4 + -2.1
-1t = -4 + -2.1

Combine like terms: -4 + -2.1 = -6.1
-1t = -6.1

Divide each side by '-1'.
t = 6.1

Simplifying
t = 6.1

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