4(3r-4)=2(7r+5)

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Solution for 4(3r-4)=2(7r+5) equation:


Simplifying
4(3r + -4) = 2(7r + 5)

Reorder the terms:
4(-4 + 3r) = 2(7r + 5)
(-4 * 4 + 3r * 4) = 2(7r + 5)
(-16 + 12r) = 2(7r + 5)

Reorder the terms:
-16 + 12r = 2(5 + 7r)
-16 + 12r = (5 * 2 + 7r * 2)
-16 + 12r = (10 + 14r)

Solving
-16 + 12r = 10 + 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.
-16 + 12r + -14r = 10 + 14r + -14r

Combine like terms: 12r + -14r = -2r
-16 + -2r = 10 + 14r + -14r

Combine like terms: 14r + -14r = 0
-16 + -2r = 10 + 0
-16 + -2r = 10

Add '16' to each side of the equation.
-16 + 16 + -2r = 10 + 16

Combine like terms: -16 + 16 = 0
0 + -2r = 10 + 16
-2r = 10 + 16

Combine like terms: 10 + 16 = 26
-2r = 26

Divide each side by '-2'.
r = -13

Simplifying
r = -13

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