-7+7(7r-1)=2r-8(7r+4)

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Solution for -7+7(7r-1)=2r-8(7r+4) equation:


Simplifying
-7 + 7(7r + -1) = 2r + -8(7r + 4)

Reorder the terms:
-7 + 7(-1 + 7r) = 2r + -8(7r + 4)
-7 + (-1 * 7 + 7r * 7) = 2r + -8(7r + 4)
-7 + (-7 + 49r) = 2r + -8(7r + 4)

Combine like terms: -7 + -7 = -14
-14 + 49r = 2r + -8(7r + 4)

Reorder the terms:
-14 + 49r = 2r + -8(4 + 7r)
-14 + 49r = 2r + (4 * -8 + 7r * -8)
-14 + 49r = 2r + (-32 + -56r)

Reorder the terms:
-14 + 49r = -32 + 2r + -56r

Combine like terms: 2r + -56r = -54r
-14 + 49r = -32 + -54r

Solving
-14 + 49r = -32 + -54r

Solving for variable 'r'.

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

Add '54r' to each side of the equation.
-14 + 49r + 54r = -32 + -54r + 54r

Combine like terms: 49r + 54r = 103r
-14 + 103r = -32 + -54r + 54r

Combine like terms: -54r + 54r = 0
-14 + 103r = -32 + 0
-14 + 103r = -32

Add '14' to each side of the equation.
-14 + 14 + 103r = -32 + 14

Combine like terms: -14 + 14 = 0
0 + 103r = -32 + 14
103r = -32 + 14

Combine like terms: -32 + 14 = -18
103r = -18

Divide each side by '103'.
r = -0.1747572816

Simplifying
r = -0.1747572816

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