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

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


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

Reorder the terms:
5(-7 + 2d) + -4(d + 5) = -1
(-7 * 5 + 2d * 5) + -4(d + 5) = -1
(-35 + 10d) + -4(d + 5) = -1

Reorder the terms:
-35 + 10d + -4(5 + d) = -1
-35 + 10d + (5 * -4 + d * -4) = -1
-35 + 10d + (-20 + -4d) = -1

Reorder the terms:
-35 + -20 + 10d + -4d = -1

Combine like terms: -35 + -20 = -55
-55 + 10d + -4d = -1

Combine like terms: 10d + -4d = 6d
-55 + 6d = -1

Solving
-55 + 6d = -1

Solving for variable 'd'.

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

Add '55' to each side of the equation.
-55 + 55 + 6d = -1 + 55

Combine like terms: -55 + 55 = 0
0 + 6d = -1 + 55
6d = -1 + 55

Combine like terms: -1 + 55 = 54
6d = 54

Divide each side by '6'.
d = 9

Simplifying
d = 9

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