7(-20-11r)=10-19(r+14)

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Solution for 7(-20-11r)=10-19(r+14) equation:


Simplifying
7(-20 + -11r) = 10 + -19(r + 14)
(-20 * 7 + -11r * 7) = 10 + -19(r + 14)
(-140 + -77r) = 10 + -19(r + 14)

Reorder the terms:
-140 + -77r = 10 + -19(14 + r)
-140 + -77r = 10 + (14 * -19 + r * -19)
-140 + -77r = 10 + (-266 + -19r)

Combine like terms: 10 + -266 = -256
-140 + -77r = -256 + -19r

Solving
-140 + -77r = -256 + -19r

Solving for variable 'r'.

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

Add '19r' to each side of the equation.
-140 + -77r + 19r = -256 + -19r + 19r

Combine like terms: -77r + 19r = -58r
-140 + -58r = -256 + -19r + 19r

Combine like terms: -19r + 19r = 0
-140 + -58r = -256 + 0
-140 + -58r = -256

Add '140' to each side of the equation.
-140 + 140 + -58r = -256 + 140

Combine like terms: -140 + 140 = 0
0 + -58r = -256 + 140
-58r = -256 + 140

Combine like terms: -256 + 140 = -116
-58r = -116

Divide each side by '-58'.
r = 2

Simplifying
r = 2

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