2(7d+3d)-7=53

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Solution for 2(7d+3d)-7=53 equation:


Simplifying
2(7d + 3d) + -7 = 53

Combine like terms: 7d + 3d = 10d
2(10d) + -7 = 53

Remove parenthesis around (10d)
2 * 10d + -7 = 53

Multiply 2 * 10
20d + -7 = 53

Reorder the terms:
-7 + 20d = 53

Solving
-7 + 20d = 53

Solving for variable 'd'.

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

Add '7' to each side of the equation.
-7 + 7 + 20d = 53 + 7

Combine like terms: -7 + 7 = 0
0 + 20d = 53 + 7
20d = 53 + 7

Combine like terms: 53 + 7 = 60
20d = 60

Divide each side by '20'.
d = 3

Simplifying
d = 3

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