2(1+1)-4(4-7a)=76

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Solution for 2(1+1)-4(4-7a)=76 equation:


Simplifying
2(1 + 1) + -4(4 + -7a) = 76

Combine like terms: 1 + 1 = 2
2(2) + -4(4 + -7a) = 76

Multiply 2 * 2
4 + -4(4 + -7a) = 76
4 + (4 * -4 + -7a * -4) = 76
4 + (-16 + 28a) = 76

Combine like terms: 4 + -16 = -12
-12 + 28a = 76

Solving
-12 + 28a = 76

Solving for variable 'a'.

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

Add '12' to each side of the equation.
-12 + 12 + 28a = 76 + 12

Combine like terms: -12 + 12 = 0
0 + 28a = 76 + 12
28a = 76 + 12

Combine like terms: 76 + 12 = 88
28a = 88

Divide each side by '28'.
a = 3.142857143

Simplifying
a = 3.142857143

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