7a+4-2a-1=

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Solution for 7a+4-2a-1= equation:


Simplifying
7a + 4 + -2a + -1 = 0

Reorder the terms:
4 + -1 + 7a + -2a = 0

Combine like terms: 4 + -1 = 3
3 + 7a + -2a = 0

Combine like terms: 7a + -2a = 5a
3 + 5a = 0

Solving
3 + 5a = 0

Solving for variable 'a'.

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

Add '-3' to each side of the equation.
3 + -3 + 5a = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 5a = 0 + -3
5a = 0 + -3

Combine like terms: 0 + -3 = -3
5a = -3

Divide each side by '5'.
a = -0.6

Simplifying
a = -0.6

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