-10+r=-7(6+r)

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Solution for -10+r=-7(6+r) equation:


Simplifying
-10 + r = -7(6 + r)
-10 + r = (6 * -7 + r * -7)
-10 + r = (-42 + -7r)

Solving
-10 + r = -42 + -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.
-10 + r + 7r = -42 + -7r + 7r

Combine like terms: r + 7r = 8r
-10 + 8r = -42 + -7r + 7r

Combine like terms: -7r + 7r = 0
-10 + 8r = -42 + 0
-10 + 8r = -42

Add '10' to each side of the equation.
-10 + 10 + 8r = -42 + 10

Combine like terms: -10 + 10 = 0
0 + 8r = -42 + 10
8r = -42 + 10

Combine like terms: -42 + 10 = -32
8r = -32

Divide each side by '8'.
r = -4

Simplifying
r = -4

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