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

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


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

Reorder the terms:
2(5 + t) = 4 + -7t + -21
(5 * 2 + t * 2) = 4 + -7t + -21
(10 + 2t) = 4 + -7t + -21

Reorder the terms:
10 + 2t = 4 + -21 + -7t

Combine like terms: 4 + -21 = -17
10 + 2t = -17 + -7t

Solving
10 + 2t = -17 + -7t

Solving for variable 't'.

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

Add '7t' to each side of the equation.
10 + 2t + 7t = -17 + -7t + 7t

Combine like terms: 2t + 7t = 9t
10 + 9t = -17 + -7t + 7t

Combine like terms: -7t + 7t = 0
10 + 9t = -17 + 0
10 + 9t = -17

Add '-10' to each side of the equation.
10 + -10 + 9t = -17 + -10

Combine like terms: 10 + -10 = 0
0 + 9t = -17 + -10
9t = -17 + -10

Combine like terms: -17 + -10 = -27
9t = -27

Divide each side by '9'.
t = -3

Simplifying
t = -3

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