2(7r-7)+5r=-4(1-5r)-2

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Solution for 2(7r-7)+5r=-4(1-5r)-2 equation:


Simplifying
2(7r + -7) + 5r = -4(1 + -5r) + -2

Reorder the terms:
2(-7 + 7r) + 5r = -4(1 + -5r) + -2
(-7 * 2 + 7r * 2) + 5r = -4(1 + -5r) + -2
(-14 + 14r) + 5r = -4(1 + -5r) + -2

Combine like terms: 14r + 5r = 19r
-14 + 19r = -4(1 + -5r) + -2
-14 + 19r = (1 * -4 + -5r * -4) + -2
-14 + 19r = (-4 + 20r) + -2

Reorder the terms:
-14 + 19r = -4 + -2 + 20r

Combine like terms: -4 + -2 = -6
-14 + 19r = -6 + 20r

Solving
-14 + 19r = -6 + 20r

Solving for variable 'r'.

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

Add '-20r' to each side of the equation.
-14 + 19r + -20r = -6 + 20r + -20r

Combine like terms: 19r + -20r = -1r
-14 + -1r = -6 + 20r + -20r

Combine like terms: 20r + -20r = 0
-14 + -1r = -6 + 0
-14 + -1r = -6

Add '14' to each side of the equation.
-14 + 14 + -1r = -6 + 14

Combine like terms: -14 + 14 = 0
0 + -1r = -6 + 14
-1r = -6 + 14

Combine like terms: -6 + 14 = 8
-1r = 8

Divide each side by '-1'.
r = -8

Simplifying
r = -8

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