7+2r=-7r-(1-3)

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Solution for 7+2r=-7r-(1-3) equation:


Simplifying
7 + 2r = -7r + -1(1 + -3)

Combine like terms: 1 + -3 = -2
7 + 2r = -7r + -1(-2)

Multiply -1 * -2
7 + 2r = -7r + 2

Reorder the terms:
7 + 2r = 2 + -7r

Solving
7 + 2r = 2 + -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.
7 + 2r + 7r = 2 + -7r + 7r

Combine like terms: 2r + 7r = 9r
7 + 9r = 2 + -7r + 7r

Combine like terms: -7r + 7r = 0
7 + 9r = 2 + 0
7 + 9r = 2

Add '-7' to each side of the equation.
7 + -7 + 9r = 2 + -7

Combine like terms: 7 + -7 = 0
0 + 9r = 2 + -7
9r = 2 + -7

Combine like terms: 2 + -7 = -5
9r = -5

Divide each side by '9'.
r = -0.5555555556

Simplifying
r = -0.5555555556

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