7r+2=5(r-4)whatisx

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Solution for 7r+2=5(r-4)whatisx equation: 


Simplifying
7r + 2 = 5(r + -4) * whatisx

Reorder the terms:
2 + 7r = 5(r + -4) * whatisx

Reorder the terms:
2 + 7r = 5(-4 + r) * whatisx

Reorder the terms for easier multiplication:
2 + 7r = 5ahistwx(-4 + r)
2 + 7r = (-4 * 5ahistwx + r * 5ahistwx)

Reorder the terms:
2 + 7r = (5ahirstwx + -20ahistwx)
2 + 7r = (5ahirstwx + -20ahistwx)

Solving
2 + 7r = 5ahirstwx + -20ahistwx

Solving for variable 'r'.

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

Add '-5ahirstwx' to each side of the equation.
2 + -5ahirstwx + 7r = 5ahirstwx + -5ahirstwx + -20ahistwx

Combine like terms: 5ahirstwx + -5ahirstwx = 0
2 + -5ahirstwx + 7r = 0 + -20ahistwx
2 + -5ahirstwx + 7r = -20ahistwx

Add '-2' to each side of the equation.
2 + -5ahirstwx + -2 + 7r = -2 + -20ahistwx

Reorder the terms:
2 + -2 + -5ahirstwx + 7r = -2 + -20ahistwx

Combine like terms: 2 + -2 = 0
0 + -5ahirstwx + 7r = -2 + -20ahistwx
-5ahirstwx + 7r = -2 + -20ahistwx

Reorder the terms:
2 + -5ahirstwx + 20ahistwx + 7r = -2 + -20ahistwx + 2 + 20ahistwx

Reorder the terms:
2 + -5ahirstwx + 20ahistwx + 7r = -2 + 2 + -20ahistwx + 20ahistwx

Combine like terms: -2 + 2 = 0
2 + -5ahirstwx + 20ahistwx + 7r = 0 + -20ahistwx + 20ahistwx
2 + -5ahirstwx + 20ahistwx + 7r = -20ahistwx + 20ahistwx

Combine like terms: -20ahistwx + 20ahistwx = 0
2 + -5ahirstwx + 20ahistwx + 7r = 0

The solution to this equation could not be determined.

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