1(7a-1)=2a+7

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Solution for 1(7a-1)=2a+7 equation:


Simplifying
1(7a + -1) = 2a + 7

Reorder the terms:
1(-1 + 7a) = 2a + 7
(-1 * 1 + 7a * 1) = 2a + 7
(-1 + 7a) = 2a + 7

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

Solving
-1 + 7a = 7 + 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.
-1 + 7a + -2a = 7 + 2a + -2a

Combine like terms: 7a + -2a = 5a
-1 + 5a = 7 + 2a + -2a

Combine like terms: 2a + -2a = 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 = 8
5a = 8

Divide each side by '5'.
a = 1.6

Simplifying
a = 1.6

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