7a+3=2a-4

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


Simplifying
7a + 3 = 2a + -4

Reorder the terms:
3 + 7a = 2a + -4

Reorder the terms:
3 + 7a = -4 + 2a

Solving
3 + 7a = -4 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
3 + 7a + -2a = -4 + 2a + -2a

Combine like terms: 7a + -2a = 5a
3 + 5a = -4 + 2a + -2a

Combine like terms: 2a + -2a = 0
3 + 5a = -4 + 0
3 + 5a = -4

Add '-3' to each side of the equation.
3 + -3 + 5a = -4 + -3

Combine like terms: 3 + -3 = 0
0 + 5a = -4 + -3
5a = -4 + -3

Combine like terms: -4 + -3 = -7
5a = -7

Divide each side by '5'.
a = -1.4

Simplifying
a = -1.4

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