7-(-4)(d-3)=23

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Solution for 7-(-4)(d-3)=23 equation:


Simplifying
7 + -1(-4)(d + -3) = 23

Reorder the terms:
7 + -1 * -4(-3 + d) = 23

Multiply -1 * -4
7 + 4(-3 + d) = 23
7 + (-3 * 4 + d * 4) = 23
7 + (-12 + 4d) = 23

Combine like terms: 7 + -12 = -5
-5 + 4d = 23

Solving
-5 + 4d = 23

Solving for variable 'd'.

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

Add '5' to each side of the equation.
-5 + 5 + 4d = 23 + 5

Combine like terms: -5 + 5 = 0
0 + 4d = 23 + 5
4d = 23 + 5

Combine like terms: 23 + 5 = 28
4d = 28

Divide each side by '4'.
d = 7

Simplifying
d = 7

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