3(d-14)+7(d-12)=14

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Solution for 3(d-14)+7(d-12)=14 equation:


Simplifying
3(d + -14) + 7(d + -12) = 14

Reorder the terms:
3(-14 + d) + 7(d + -12) = 14
(-14 * 3 + d * 3) + 7(d + -12) = 14
(-42 + 3d) + 7(d + -12) = 14

Reorder the terms:
-42 + 3d + 7(-12 + d) = 14
-42 + 3d + (-12 * 7 + d * 7) = 14
-42 + 3d + (-84 + 7d) = 14

Reorder the terms:
-42 + -84 + 3d + 7d = 14

Combine like terms: -42 + -84 = -126
-126 + 3d + 7d = 14

Combine like terms: 3d + 7d = 10d
-126 + 10d = 14

Solving
-126 + 10d = 14

Solving for variable 'd'.

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

Add '126' to each side of the equation.
-126 + 126 + 10d = 14 + 126

Combine like terms: -126 + 126 = 0
0 + 10d = 14 + 126
10d = 14 + 126

Combine like terms: 14 + 126 = 140
10d = 140

Divide each side by '10'.
d = 14

Simplifying
d = 14

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