7+(-21)=t

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Solution for 7+(-21)=t equation:


Simplifying
7 + (-21) = t
7 + -21 = t

Combine like terms: 7 + -21 = -14
-14 = t

Solving
-14 = 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.
-14 + -1t = t + -1t

Combine like terms: t + -1t = 0
-14 + -1t = 0

Add '14' to each side of the equation.
-14 + 14 + -1t = 0 + 14

Combine like terms: -14 + 14 = 0
0 + -1t = 0 + 14
-1t = 0 + 14

Combine like terms: 0 + 14 = 14
-1t = 14

Divide each side by '-1'.
t = -14

Simplifying
t = -14

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