7a+2=5(a-4)

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


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

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

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

Solving
2 + 7a = -20 + 5a

Solving for variable 'a'.

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

Add '-5a' to each side of the equation.
2 + 7a + -5a = -20 + 5a + -5a

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

Combine like terms: 5a + -5a = 0
2 + 2a = -20 + 0
2 + 2a = -20

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

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

Combine like terms: -20 + -2 = -22
2a = -22

Divide each side by '2'.
a = -11

Simplifying
a = -11

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