3(2a-9)+7a-4=

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Solution for 3(2a-9)+7a-4= equation:


Simplifying
3(2a + -9) + 7a + -4 = 0

Reorder the terms:
3(-9 + 2a) + 7a + -4 = 0
(-9 * 3 + 2a * 3) + 7a + -4 = 0
(-27 + 6a) + 7a + -4 = 0

Reorder the terms:
-27 + -4 + 6a + 7a = 0

Combine like terms: -27 + -4 = -31
-31 + 6a + 7a = 0

Combine like terms: 6a + 7a = 13a
-31 + 13a = 0

Solving
-31 + 13a = 0

Solving for variable 'a'.

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

Add '31' to each side of the equation.
-31 + 31 + 13a = 0 + 31

Combine like terms: -31 + 31 = 0
0 + 13a = 0 + 31
13a = 0 + 31

Combine like terms: 0 + 31 = 31
13a = 31

Divide each side by '13'.
a = 2.384615385

Simplifying
a = 2.384615385

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