3(16)-(3a+2)(4)+7=0

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Solution for 3(16)-(3a+2)(4)+7=0 equation:


Simplifying
3(16) + -1(3a + 2)(4) + 7 = 0

Multiply 3 * 16
48 + -1(3a + 2)(4) + 7 = 0

Reorder the terms:
48 + -1(2 + 3a)(4) + 7 = 0

Reorder the terms for easier multiplication:
48 + -1 * 4(2 + 3a) + 7 = 0

Multiply -1 * 4
48 + -4(2 + 3a) + 7 = 0
48 + (2 * -4 + 3a * -4) + 7 = 0
48 + (-8 + -12a) + 7 = 0

Reorder the terms:
48 + -8 + 7 + -12a = 0

Combine like terms: 48 + -8 = 40
40 + 7 + -12a = 0

Combine like terms: 40 + 7 = 47
47 + -12a = 0

Solving
47 + -12a = 0

Solving for variable 'a'.

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

Add '-47' to each side of the equation.
47 + -47 + -12a = 0 + -47

Combine like terms: 47 + -47 = 0
0 + -12a = 0 + -47
-12a = 0 + -47

Combine like terms: 0 + -47 = -47
-12a = -47

Divide each side by '-12'.
a = 3.916666667

Simplifying
a = 3.916666667

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