-4t(2)+19-21=0

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Solution for -4t(2)+19-21=0 equation:


Simplifying
-4t(2) + 19 + -21 = 0

Reorder the terms for easier multiplication:
-4 * 2t + 19 + -21 = 0

Multiply -4 * 2
-8t + 19 + -21 = 0

Reorder the terms:
19 + -21 + -8t = 0

Combine like terms: 19 + -21 = -2
-2 + -8t = 0

Solving
-2 + -8t = 0

Solving for variable 't'.

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

Add '2' to each side of the equation.
-2 + 2 + -8t = 0 + 2

Combine like terms: -2 + 2 = 0
0 + -8t = 0 + 2
-8t = 0 + 2

Combine like terms: 0 + 2 = 2
-8t = 2

Divide each side by '-8'.
t = -0.25

Simplifying
t = -0.25

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