23=-5(7a-4)

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Solution for 23=-5(7a-4) equation:


Simplifying
23 = -5(7a + -4)

Reorder the terms:
23 = -5(-4 + 7a)
23 = (-4 * -5 + 7a * -5)
23 = (20 + -35a)

Solving
23 = 20 + -35a

Solving for variable 'a'.

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

Add '35a' to each side of the equation.
23 + 35a = 20 + -35a + 35a

Combine like terms: -35a + 35a = 0
23 + 35a = 20 + 0
23 + 35a = 20

Add '-23' to each side of the equation.
23 + -23 + 35a = 20 + -23

Combine like terms: 23 + -23 = 0
0 + 35a = 20 + -23
35a = 20 + -23

Combine like terms: 20 + -23 = -3
35a = -3

Divide each side by '35'.
a = -0.08571428571

Simplifying
a = -0.08571428571

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