1-(2-a)(3+4)=0

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Solution for 1-(2-a)(3+4)=0 equation:


Simplifying
1 + -1(2 + -1a)(3 + 4) = 0

Combine like terms: 3 + 4 = 7
1 + -1(2 + -1a)(7) = 0

Reorder the terms for easier multiplication:
1 + -1 * 7(2 + -1a) = 0

Multiply -1 * 7
1 + -7(2 + -1a) = 0
1 + (2 * -7 + -1a * -7) = 0
1 + (-14 + 7a) = 0

Combine like terms: 1 + -14 = -13
-13 + 7a = 0

Solving
-13 + 7a = 0

Solving for variable 'a'.

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

Add '13' to each side of the equation.
-13 + 13 + 7a = 0 + 13

Combine like terms: -13 + 13 = 0
0 + 7a = 0 + 13
7a = 0 + 13

Combine like terms: 0 + 13 = 13
7a = 13

Divide each side by '7'.
a = 1.857142857

Simplifying
a = 1.857142857

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