-2r-5(r+3)=4

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Solution for -2r-5(r+3)=4 equation:


Simplifying
-2r + -5(r + 3) = 4

Reorder the terms:
-2r + -5(3 + r) = 4
-2r + (3 * -5 + r * -5) = 4
-2r + (-15 + -5r) = 4

Reorder the terms:
-15 + -2r + -5r = 4

Combine like terms: -2r + -5r = -7r
-15 + -7r = 4

Solving
-15 + -7r = 4

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 + 15 + -7r = 4 + 15

Combine like terms: -15 + 15 = 0
0 + -7r = 4 + 15
-7r = 4 + 15

Combine like terms: 4 + 15 = 19
-7r = 19

Divide each side by '-7'.
r = -2.714285714

Simplifying
r = -2.714285714

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