7+a-3a=5-4a

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Solution for 7+a-3a=5-4a equation:


Simplifying
7 + a + -3a = 5 + -4a

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

Solving
7 + -2a = 5 + -4a

Solving for variable 'a'.

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

Add '4a' to each side of the equation.
7 + -2a + 4a = 5 + -4a + 4a

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

Combine like terms: -4a + 4a = 0
7 + 2a = 5 + 0
7 + 2a = 5

Add '-7' to each side of the equation.
7 + -7 + 2a = 5 + -7

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

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

Divide each side by '2'.
a = -1

Simplifying
a = -1

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