2(4a-9)+7=-9

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Solution for 2(4a-9)+7=-9 equation:


Simplifying
2(4a + -9) + 7 = -9

Reorder the terms:
2(-9 + 4a) + 7 = -9
(-9 * 2 + 4a * 2) + 7 = -9
(-18 + 8a) + 7 = -9

Reorder the terms:
-18 + 7 + 8a = -9

Combine like terms: -18 + 7 = -11
-11 + 8a = -9

Solving
-11 + 8a = -9

Solving for variable 'a'.

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

Add '11' to each side of the equation.
-11 + 11 + 8a = -9 + 11

Combine like terms: -11 + 11 = 0
0 + 8a = -9 + 11
8a = -9 + 11

Combine like terms: -9 + 11 = 2
8a = 2

Divide each side by '8'.
a = 0.25

Simplifying
a = 0.25

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