5(r-3)-2t=30

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Solution for 5(r-3)-2t=30 equation:


Simplifying
5(r + -3) + -2t = 30

Reorder the terms:
5(-3 + r) + -2t = 30
(-3 * 5 + r * 5) + -2t = 30
(-15 + 5r) + -2t = 30

Solving
-15 + 5r + -2t = 30

Solving for variable 'r'.

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

Add '15' to each side of the equation.
-15 + 5r + 15 + -2t = 30 + 15

Reorder the terms:
-15 + 15 + 5r + -2t = 30 + 15

Combine like terms: -15 + 15 = 0
0 + 5r + -2t = 30 + 15
5r + -2t = 30 + 15

Combine like terms: 30 + 15 = 45
5r + -2t = 45

Add '2t' to each side of the equation.
5r + -2t + 2t = 45 + 2t

Combine like terms: -2t + 2t = 0
5r + 0 = 45 + 2t
5r = 45 + 2t

Divide each side by '5'.
r = 9 + 0.4t

Simplifying
r = 9 + 0.4t

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