-3+3(1+5r)=-22-7r

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Solution for -3+3(1+5r)=-22-7r equation: 


Simplifying
-3 + 3(1 + 5r) = -22 + -7r
-3 + (1 * 3 + 5r * 3) = -22 + -7r
-3 + (3 + 15r) = -22 + -7r

Combine like terms: -3 + 3 = 0
0 + 15r = -22 + -7r
15r = -22 + -7r

Solving
15r = -22 + -7r

Solving for variable 'r'.

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

Add '7r' to each side of the equation.
15r + 7r = -22 + -7r + 7r

Combine like terms: 15r + 7r = 22r
22r = -22 + -7r + 7r

Combine like terms: -7r + 7r = 0
22r = -22 + 0
22r = -22

Divide each side by '22'.
r = -1

Simplifying
r = -1

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