7-3t+2(2t+4)=18

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Solution for 7-3t+2(2t+4)=18 equation:


Simplifying
7 + -3t + 2(2t + 4) = 18

Reorder the terms:
7 + -3t + 2(4 + 2t) = 18
7 + -3t + (4 * 2 + 2t * 2) = 18
7 + -3t + (8 + 4t) = 18

Reorder the terms:
7 + 8 + -3t + 4t = 18

Combine like terms: 7 + 8 = 15
15 + -3t + 4t = 18

Combine like terms: -3t + 4t = 1t
15 + 1t = 18

Solving
15 + 1t = 18

Solving for variable 't'.

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

Add '-15' to each side of the equation.
15 + -15 + 1t = 18 + -15

Combine like terms: 15 + -15 = 0
0 + 1t = 18 + -15
1t = 18 + -15

Combine like terms: 18 + -15 = 3
1t = 3

Divide each side by '1'.
t = 3

Simplifying
t = 3

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