7g+2(a-3)=-9

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Solution for 7g+2(a-3)=-9 equation:


Simplifying
7g + 2(a + -3) = -9

Reorder the terms:
7g + 2(-3 + a) = -9
7g + (-3 * 2 + a * 2) = -9
7g + (-6 + 2a) = -9

Reorder the terms:
-6 + 2a + 7g = -9

Solving
-6 + 2a + 7g = -9

Solving for variable 'a'.

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

Add '6' to each side of the equation.
-6 + 2a + 6 + 7g = -9 + 6

Reorder the terms:
-6 + 6 + 2a + 7g = -9 + 6

Combine like terms: -6 + 6 = 0
0 + 2a + 7g = -9 + 6
2a + 7g = -9 + 6

Combine like terms: -9 + 6 = -3
2a + 7g = -3

Add '-7g' to each side of the equation.
2a + 7g + -7g = -3 + -7g

Combine like terms: 7g + -7g = 0
2a + 0 = -3 + -7g
2a = -3 + -7g

Divide each side by '2'.
a = -1.5 + -3.5g

Simplifying
a = -1.5 + -3.5g

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