1+a=7-4a

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


Simplifying
1 + a = 7 + -4a

Solving
1 + a = 7 + -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.
1 + a + 4a = 7 + -4a + 4a

Combine like terms: a + 4a = 5a
1 + 5a = 7 + -4a + 4a

Combine like terms: -4a + 4a = 0
1 + 5a = 7 + 0
1 + 5a = 7

Add '-1' to each side of the equation.
1 + -1 + 5a = 7 + -1

Combine like terms: 1 + -1 = 0
0 + 5a = 7 + -1
5a = 7 + -1

Combine like terms: 7 + -1 = 6
5a = 6

Divide each side by '5'.
a = 1.2

Simplifying
a = 1.2

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