9a-(4a+7)=

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


Simplifying
9a + -1(4a + 7) = 0

Reorder the terms:
9a + -1(7 + 4a) = 0
9a + (7 * -1 + 4a * -1) = 0
9a + (-7 + -4a) = 0

Reorder the terms:
-7 + 9a + -4a = 0

Combine like terms: 9a + -4a = 5a
-7 + 5a = 0

Solving
-7 + 5a = 0

Solving for variable 'a'.

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

Add '7' to each side of the equation.
-7 + 7 + 5a = 0 + 7

Combine like terms: -7 + 7 = 0
0 + 5a = 0 + 7
5a = 0 + 7

Combine like terms: 0 + 7 = 7
5a = 7

Divide each side by '5'.
a = 1.4

Simplifying
a = 1.4

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