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

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


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

Reorder the terms:
7a + -2(7 + 7a) = 7(a + 2)
7a + (7 * -2 + 7a * -2) = 7(a + 2)
7a + (-14 + -14a) = 7(a + 2)

Reorder the terms:
-14 + 7a + -14a = 7(a + 2)

Combine like terms: 7a + -14a = -7a
-14 + -7a = 7(a + 2)

Reorder the terms:
-14 + -7a = 7(2 + a)
-14 + -7a = (2 * 7 + a * 7)
-14 + -7a = (14 + 7a)

Solving
-14 + -7a = 14 + 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.
-14 + -7a + -7a = 14 + 7a + -7a

Combine like terms: -7a + -7a = -14a
-14 + -14a = 14 + 7a + -7a

Combine like terms: 7a + -7a = 0
-14 + -14a = 14 + 0
-14 + -14a = 14

Add '14' to each side of the equation.
-14 + 14 + -14a = 14 + 14

Combine like terms: -14 + 14 = 0
0 + -14a = 14 + 14
-14a = 14 + 14

Combine like terms: 14 + 14 = 28
-14a = 28

Divide each side by '-14'.
a = -2

Simplifying
a = -2

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