7r-2(r-7)+6(s-7)=

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


Simplifying
7r + -2(r + -7) + 6(s + -7) = 0

Reorder the terms:
7r + -2(-7 + r) + 6(s + -7) = 0
7r + (-7 * -2 + r * -2) + 6(s + -7) = 0
7r + (14 + -2r) + 6(s + -7) = 0

Reorder the terms:
7r + 14 + -2r + 6(-7 + s) = 0
7r + 14 + -2r + (-7 * 6 + s * 6) = 0
7r + 14 + -2r + (-42 + 6s) = 0

Reorder the terms:
14 + -42 + 7r + -2r + 6s = 0

Combine like terms: 14 + -42 = -28
-28 + 7r + -2r + 6s = 0

Combine like terms: 7r + -2r = 5r
-28 + 5r + 6s = 0

Solving
-28 + 5r + 6s = 0

Solving for variable 'r'.

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

Add '28' to each side of the equation.
-28 + 5r + 28 + 6s = 0 + 28

Reorder the terms:
-28 + 28 + 5r + 6s = 0 + 28

Combine like terms: -28 + 28 = 0
0 + 5r + 6s = 0 + 28
5r + 6s = 0 + 28

Combine like terms: 0 + 28 = 28
5r + 6s = 28

Add '-6s' to each side of the equation.
5r + 6s + -6s = 28 + -6s

Combine like terms: 6s + -6s = 0
5r + 0 = 28 + -6s
5r = 28 + -6s

Divide each side by '5'.
r = 5.6 + -1.2s

Simplifying
r = 5.6 + -1.2s

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