3(2d-1)=4(2d-5)+7

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Solution for 3(2d-1)=4(2d-5)+7 equation:


Simplifying
3(2d + -1) = 4(2d + -5) + 7

Reorder the terms:
3(-1 + 2d) = 4(2d + -5) + 7
(-1 * 3 + 2d * 3) = 4(2d + -5) + 7
(-3 + 6d) = 4(2d + -5) + 7

Reorder the terms:
-3 + 6d = 4(-5 + 2d) + 7
-3 + 6d = (-5 * 4 + 2d * 4) + 7
-3 + 6d = (-20 + 8d) + 7

Reorder the terms:
-3 + 6d = -20 + 7 + 8d

Combine like terms: -20 + 7 = -13
-3 + 6d = -13 + 8d

Solving
-3 + 6d = -13 + 8d

Solving for variable 'd'.

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

Add '-8d' to each side of the equation.
-3 + 6d + -8d = -13 + 8d + -8d

Combine like terms: 6d + -8d = -2d
-3 + -2d = -13 + 8d + -8d

Combine like terms: 8d + -8d = 0
-3 + -2d = -13 + 0
-3 + -2d = -13

Add '3' to each side of the equation.
-3 + 3 + -2d = -13 + 3

Combine like terms: -3 + 3 = 0
0 + -2d = -13 + 3
-2d = -13 + 3

Combine like terms: -13 + 3 = -10
-2d = -10

Divide each side by '-2'.
d = 5

Simplifying
d = 5

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