4(a+10)+9=7

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Solution for 4(a+10)+9=7 equation:


Simplifying
4(a + 10) + 9 = 7

Reorder the terms:
4(10 + a) + 9 = 7
(10 * 4 + a * 4) + 9 = 7
(40 + 4a) + 9 = 7

Reorder the terms:
40 + 9 + 4a = 7

Combine like terms: 40 + 9 = 49
49 + 4a = 7

Solving
49 + 4a = 7

Solving for variable 'a'.

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

Add '-49' to each side of the equation.
49 + -49 + 4a = 7 + -49

Combine like terms: 49 + -49 = 0
0 + 4a = 7 + -49
4a = 7 + -49

Combine like terms: 7 + -49 = -42
4a = -42

Divide each side by '4'.
a = -10.5

Simplifying
a = -10.5

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