4(2t+5)-21=7+-6

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Solution for 4(2t+5)-21=7+-6 equation:


Simplifying
4(2t + 5) + -21 = 7 + -6

Reorder the terms:
4(5 + 2t) + -21 = 7 + -6
(5 * 4 + 2t * 4) + -21 = 7 + -6
(20 + 8t) + -21 = 7 + -6

Reorder the terms:
20 + -21 + 8t = 7 + -6

Combine like terms: 20 + -21 = -1
-1 + 8t = 7 + -6

Combine like terms: 7 + -6 = 1
-1 + 8t = 1

Solving
-1 + 8t = 1

Solving for variable 't'.

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

Add '1' to each side of the equation.
-1 + 1 + 8t = 1 + 1

Combine like terms: -1 + 1 = 0
0 + 8t = 1 + 1
8t = 1 + 1

Combine like terms: 1 + 1 = 2
8t = 2

Divide each side by '8'.
t = 0.25

Simplifying
t = 0.25

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