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

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


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

Reorder the terms:
5d + -2(5 + 4a) = 7a
5d + (5 * -2 + 4a * -2) = 7a
5d + (-10 + -8a) = 7a

Reorder the terms:
-10 + -8a + 5d = 7a

Solving
-10 + -8a + 5d = 7a

Solving for variable 'a'.

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

Add '-7a' to each side of the equation.
-10 + -8a + -7a + 5d = 7a + -7a

Combine like terms: -8a + -7a = -15a
-10 + -15a + 5d = 7a + -7a

Combine like terms: 7a + -7a = 0
-10 + -15a + 5d = 0

Add '10' to each side of the equation.
-10 + -15a + 10 + 5d = 0 + 10

Reorder the terms:
-10 + 10 + -15a + 5d = 0 + 10

Combine like terms: -10 + 10 = 0
0 + -15a + 5d = 0 + 10
-15a + 5d = 0 + 10

Combine like terms: 0 + 10 = 10
-15a + 5d = 10

Add '-5d' to each side of the equation.
-15a + 5d + -5d = 10 + -5d

Combine like terms: 5d + -5d = 0
-15a + 0 = 10 + -5d
-15a = 10 + -5d

Divide each side by '-15'.
a = -0.6666666667 + 0.3333333333d

Simplifying
a = -0.6666666667 + 0.3333333333d

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