7r*2=(r-4)

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Solution for 7r*2=(r-4) equation:


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

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

Multiply 7 * 2
14r = (r + -4)

Reorder the terms:
14r = (-4 + r)

Remove parenthesis around (-4 + r)
14r = -4 + r

Solving
14r = -4 + r

Solving for variable 'r'.

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

Add '-1r' to each side of the equation.
14r + -1r = -4 + r + -1r

Combine like terms: 14r + -1r = 13r
13r = -4 + r + -1r

Combine like terms: r + -1r = 0
13r = -4 + 0
13r = -4

Divide each side by '13'.
r = -0.3076923077

Simplifying
r = -0.3076923077

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