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

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


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

Reorder the terms:
-5 = 4(-2 + 5a) + 7
-5 = (-2 * 4 + 5a * 4) + 7
-5 = (-8 + 20a) + 7

Reorder the terms:
-5 = -8 + 7 + 20a

Combine like terms: -8 + 7 = -1
-5 = -1 + 20a

Solving
-5 = -1 + 20a

Solving for variable 'a'.

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

Add '-20a' to each side of the equation.
-5 + -20a = -1 + 20a + -20a

Combine like terms: 20a + -20a = 0
-5 + -20a = -1 + 0
-5 + -20a = -1

Add '5' to each side of the equation.
-5 + 5 + -20a = -1 + 5

Combine like terms: -5 + 5 = 0
0 + -20a = -1 + 5
-20a = -1 + 5

Combine like terms: -1 + 5 = 4
-20a = 4

Divide each side by '-20'.
a = -0.2

Simplifying
a = -0.2

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