140=7(6-2r)

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Solution for 140=7(6-2r) equation:


Simplifying
140 = 7(6 + -2r)
140 = (6 * 7 + -2r * 7)
140 = (42 + -14r)

Solving
140 = 42 + -14r

Solving for variable 'r'.

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

Add '14r' to each side of the equation.
140 + 14r = 42 + -14r + 14r

Combine like terms: -14r + 14r = 0
140 + 14r = 42 + 0
140 + 14r = 42

Add '-140' to each side of the equation.
140 + -140 + 14r = 42 + -140

Combine like terms: 140 + -140 = 0
0 + 14r = 42 + -140
14r = 42 + -140

Combine like terms: 42 + -140 = -98
14r = -98

Divide each side by '14'.
r = -7

Simplifying
r = -7

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