-4t+9=-8-13

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Solution for -4t+9=-8-13 equation:


Simplifying
-4t + 9 = -8 + -13

Reorder the terms:
9 + -4t = -8 + -13

Combine like terms: -8 + -13 = -21
9 + -4t = -21

Solving
9 + -4t = -21

Solving for variable 't'.

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

Add '-9' to each side of the equation.
9 + -9 + -4t = -21 + -9

Combine like terms: 9 + -9 = 0
0 + -4t = -21 + -9
-4t = -21 + -9

Combine like terms: -21 + -9 = -30
-4t = -30

Divide each side by '-4'.
t = 7.5

Simplifying
t = 7.5

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