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Micaela Kane
Mathematics
12 May, 13:42
What is 13x + 4 and how do I solve it
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Albert
12 May, 13:55
0
Simplifying
12x2 + - 13x + - 4 = 0
Reorder the terms:
-4 + - 13x + 12x2 = 0
Solving
-4 + - 13x + 12x2 = 0
Solving for variable 'x'.
Factor a trinomial.
(-1 + - 4x) (4 + - 3x) = 0
Subproblem 1
Set the factor ' (-1 + - 4x) ' equal to zero and attempt to solve:
Simplifying
-1 + - 4x = 0
Solving
-1 + - 4x = 0
Move all terms containing x to the left, all other terms to the right.
Add '1' to each side of the equation.
-1 + 1 + - 4x = 0 + 1
Combine like terms: - 1 + 1 = 0
0 + - 4x = 0 + 1
-4x = 0 + 1
Combine like terms: 0 + 1 = 1
-4x = 1
Divide each side by '-4'.
x = - 0.25
Simplifying
x = - 0.25
Subproblem 2
Set the factor ' (4 + - 3x) ' equal to zero and attempt to solve:
Simplifying
4 + - 3x = 0
Solving
4 + - 3x = 0
Move all terms containing x to the left, all other terms to the right.
Add '-4' to each side of the equation.
4 + - 4 + - 3x = 0 + - 4
Combine like terms: 4 + - 4 = 0
0 + - 3x = 0 + - 4
-3x = 0 + - 4
Combine like terms: 0 + - 4 = - 4
-3x = - 4
Divide each side by '-3'.
x = 1.333333333
Simplifying
x = 1.333333333
Solution
x = {-0.25, 1.333333333
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