5(a+4)=7(a-6)

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Solution for 5(a+4)=7(a-6) equation:


Simplifying
5(a + 4) = 7(a + -6)

Reorder the terms:
5(4 + a) = 7(a + -6)
(4 * 5 + a * 5) = 7(a + -6)
(20 + 5a) = 7(a + -6)

Reorder the terms:
20 + 5a = 7(-6 + a)
20 + 5a = (-6 * 7 + a * 7)
20 + 5a = (-42 + 7a)

Solving
20 + 5a = -42 + 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.
20 + 5a + -7a = -42 + 7a + -7a

Combine like terms: 5a + -7a = -2a
20 + -2a = -42 + 7a + -7a

Combine like terms: 7a + -7a = 0
20 + -2a = -42 + 0
20 + -2a = -42

Add '-20' to each side of the equation.
20 + -20 + -2a = -42 + -20

Combine like terms: 20 + -20 = 0
0 + -2a = -42 + -20
-2a = -42 + -20

Combine like terms: -42 + -20 = -62
-2a = -62

Divide each side by '-2'.
a = 31

Simplifying
a = 31

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