-7t+2+8r+9r-8t=

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Solution for -7t+2+8r+9r-8t= equation:


Simplifying
-7t + 2 + 8r + 9r + -8t = 0

Reorder the terms:
2 + 8r + 9r + -7t + -8t = 0

Combine like terms: 8r + 9r = 17r
2 + 17r + -7t + -8t = 0

Combine like terms: -7t + -8t = -15t
2 + 17r + -15t = 0

Solving
2 + 17r + -15t = 0

Solving for variable 'r'.

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

Add '-2' to each side of the equation.
2 + 17r + -2 + -15t = 0 + -2

Reorder the terms:
2 + -2 + 17r + -15t = 0 + -2

Combine like terms: 2 + -2 = 0
0 + 17r + -15t = 0 + -2
17r + -15t = 0 + -2

Combine like terms: 0 + -2 = -2
17r + -15t = -2

Add '15t' to each side of the equation.
17r + -15t + 15t = -2 + 15t

Combine like terms: -15t + 15t = 0
17r + 0 = -2 + 15t
17r = -2 + 15t

Divide each side by '17'.
r = -0.1176470588 + 0.8823529412t

Simplifying
r = -0.1176470588 + 0.8823529412t

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