7a+5=2(a-10)

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Solution for 7a+5=2(a-10) equation:


Simplifying
7a + 5 = 2(a + -10)

Reorder the terms:
5 + 7a = 2(a + -10)

Reorder the terms:
5 + 7a = 2(-10 + a)
5 + 7a = (-10 * 2 + a * 2)
5 + 7a = (-20 + 2a)

Solving
5 + 7a = -20 + 2a

Solving for variable 'a'.

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

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

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

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

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

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

Combine like terms: -20 + -5 = -25
5a = -25

Divide each side by '5'.
a = -5

Simplifying
a = -5

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