3(5r-3)-4=

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Solution for 3(5r-3)-4= equation:


Simplifying
3(5r + -3) + -4 = 0

Reorder the terms:
3(-3 + 5r) + -4 = 0
(-3 * 3 + 5r * 3) + -4 = 0
(-9 + 15r) + -4 = 0

Reorder the terms:
-9 + -4 + 15r = 0

Combine like terms: -9 + -4 = -13
-13 + 15r = 0

Solving
-13 + 15r = 0

Solving for variable 'r'.

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

Add '13' to each side of the equation.
-13 + 13 + 15r = 0 + 13

Combine like terms: -13 + 13 = 0
0 + 15r = 0 + 13
15r = 0 + 13

Combine like terms: 0 + 13 = 13
15r = 13

Divide each side by '15'.
r = 0.8666666667

Simplifying
r = 0.8666666667

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