7-(t+4)=15

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Solution for 7-(t+4)=15 equation:


Simplifying
7 + -1(t + 4) = 15

Reorder the terms:
7 + -1(4 + t) = 15
7 + (4 * -1 + t * -1) = 15
7 + (-4 + -1t) = 15

Combine like terms: 7 + -4 = 3
3 + -1t = 15

Solving
3 + -1t = 15

Solving for variable 't'.

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

Add '-3' to each side of the equation.
3 + -3 + -1t = 15 + -3

Combine like terms: 3 + -3 = 0
0 + -1t = 15 + -3
-1t = 15 + -3

Combine like terms: 15 + -3 = 12
-1t = 12

Divide each side by '-1'.
t = -12

Simplifying
t = -12

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