-3-7(r+0.9)=

Solution for -3-7(r+0.9)= equation:

Simplifying
-3 + -7(r + 0.9) = 0

Reorder the terms:
-3 + -7(0.9 + r) = 0
-3 + (0.9 * -7 + r * -7) = 0
-3 + (-6.3 + -7r) = 0

Combine like terms: -3 + -6.3 = -9.3
-9.3 + -7r = 0

Solving
-9.3 + -7r = 0

Solving for variable 'r'.

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

Add '9.3' to each side of the equation.
-9.3 + 9.3 + -7r = 0 + 9.3

Combine like terms: -9.3 + 9.3 = 0.0
0.0 + -7r = 0 + 9.3
-7r = 0 + 9.3

Combine like terms: 0 + 9.3 = 9.3
-7r = 9.3

Divide each side by '-7'.
r = -1.328571429

Simplifying
r = -1.328571429