7(t-1)+2(-2t-1)=2(t+4)+9

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Solution for 7(t-1)+2(-2t-1)=2(t+4)+9 equation:


Simplifying
7(t + -1) + 2(-2t + -1) = 2(t + 4) + 9

Reorder the terms:
7(-1 + t) + 2(-2t + -1) = 2(t + 4) + 9
(-1 * 7 + t * 7) + 2(-2t + -1) = 2(t + 4) + 9
(-7 + 7t) + 2(-2t + -1) = 2(t + 4) + 9

Reorder the terms:
-7 + 7t + 2(-1 + -2t) = 2(t + 4) + 9
-7 + 7t + (-1 * 2 + -2t * 2) = 2(t + 4) + 9
-7 + 7t + (-2 + -4t) = 2(t + 4) + 9

Reorder the terms:
-7 + -2 + 7t + -4t = 2(t + 4) + 9

Combine like terms: -7 + -2 = -9
-9 + 7t + -4t = 2(t + 4) + 9

Combine like terms: 7t + -4t = 3t
-9 + 3t = 2(t + 4) + 9

Reorder the terms:
-9 + 3t = 2(4 + t) + 9
-9 + 3t = (4 * 2 + t * 2) + 9
-9 + 3t = (8 + 2t) + 9

Reorder the terms:
-9 + 3t = 8 + 9 + 2t

Combine like terms: 8 + 9 = 17
-9 + 3t = 17 + 2t

Solving
-9 + 3t = 17 + 2t

Solving for variable 't'.

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

Add '-2t' to each side of the equation.
-9 + 3t + -2t = 17 + 2t + -2t

Combine like terms: 3t + -2t = 1t
-9 + 1t = 17 + 2t + -2t

Combine like terms: 2t + -2t = 0
-9 + 1t = 17 + 0
-9 + 1t = 17

Add '9' to each side of the equation.
-9 + 9 + 1t = 17 + 9

Combine like terms: -9 + 9 = 0
0 + 1t = 17 + 9
1t = 17 + 9

Combine like terms: 17 + 9 = 26
1t = 26

Divide each side by '1'.
t = 26

Simplifying
t = 26

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