4+2(a-5)=7

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Solution for 4+2(a-5)=7 equation:


Simplifying
4 + 2(a + -5) = 7

Reorder the terms:
4 + 2(-5 + a) = 7
4 + (-5 * 2 + a * 2) = 7
4 + (-10 + 2a) = 7

Combine like terms: 4 + -10 = -6
-6 + 2a = 7

Solving
-6 + 2a = 7

Solving for variable 'a'.

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

Add '6' to each side of the equation.
-6 + 6 + 2a = 7 + 6

Combine like terms: -6 + 6 = 0
0 + 2a = 7 + 6
2a = 7 + 6

Combine like terms: 7 + 6 = 13
2a = 13

Divide each side by '2'.
a = 6.5

Simplifying
a = 6.5

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