3a-2(a+5)=2a-7

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Solution for 3a-2(a+5)=2a-7 equation:


Simplifying
3a + -2(a + 5) = 2a + -7

Reorder the terms:
3a + -2(5 + a) = 2a + -7
3a + (5 * -2 + a * -2) = 2a + -7
3a + (-10 + -2a) = 2a + -7

Reorder the terms:
-10 + 3a + -2a = 2a + -7

Combine like terms: 3a + -2a = 1a
-10 + 1a = 2a + -7

Reorder the terms:
-10 + 1a = -7 + 2a

Solving
-10 + 1a = -7 + 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.
-10 + 1a + -2a = -7 + 2a + -2a

Combine like terms: 1a + -2a = -1a
-10 + -1a = -7 + 2a + -2a

Combine like terms: 2a + -2a = 0
-10 + -1a = -7 + 0
-10 + -1a = -7

Add '10' to each side of the equation.
-10 + 10 + -1a = -7 + 10

Combine like terms: -10 + 10 = 0
0 + -1a = -7 + 10
-1a = -7 + 10

Combine like terms: -7 + 10 = 3
-1a = 3

Divide each side by '-1'.
a = -3

Simplifying
a = -3

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