12=15t+30

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Solution for 12=15t+30 equation:


Simplifying
12 = 15t + 30

Reorder the terms:
12 = 30 + 15t

Solving
12 = 30 + 15t

Solving for variable 't'.

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

Add '-15t' to each side of the equation.
12 + -15t = 30 + 15t + -15t

Combine like terms: 15t + -15t = 0
12 + -15t = 30 + 0
12 + -15t = 30

Add '-12' to each side of the equation.
12 + -12 + -15t = 30 + -12

Combine like terms: 12 + -12 = 0
0 + -15t = 30 + -12
-15t = 30 + -12

Combine like terms: 30 + -12 = 18
-15t = 18

Divide each side by '-15'.
t = -1.2

Simplifying
t = -1.2

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