70=138.9+(-0.30)(t)

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Solution for 70=138.9+(-0.30)(t) equation:


Simplifying
70 = 138.9 + (-0.30)(t)

Solving
70 = 138.9 + -0.30t

Solving for variable 't'.

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

Add '0.30t' to each side of the equation.
70 + 0.30t = 138.9 + -0.30t + 0.30t

Combine like terms: -0.30t + 0.30t = 0.00
70 + 0.30t = 138.9 + 0.00
70 + 0.30t = 138.9

Add '-70' to each side of the equation.
70 + -70 + 0.30t = 138.9 + -70

Combine like terms: 70 + -70 = 0
0 + 0.30t = 138.9 + -70
0.30t = 138.9 + -70

Combine like terms: 138.9 + -70 = 68.9
0.30t = 68.9

Divide each side by '0.30'.
t = 229.6666667

Simplifying
t = 229.6666667

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