[9(x+5)-7]+[4(x-12)+9]=

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Solution for [9(x+5)-7]+[4(x-12)+9]= equation:


Simplifying
[9(x + 5) + -7] + [4(x + -12) + 9] = 0

Reorder the terms:
[9(5 + x) + -7] + [4(x + -12) + 9] = 0
[(5 * 9 + x * 9) + -7] + [4(x + -12) + 9] = 0
[(45 + 9x) + -7] + [4(x + -12) + 9] = 0

Reorder the terms:
[45 + -7 + 9x] + [4(x + -12) + 9] = 0

Combine like terms: 45 + -7 = 38
[38 + 9x] + [4(x + -12) + 9] = 0

Remove brackets around [38 + 9x]
38 + 9x + [4(x + -12) + 9] = 0

Reorder the terms:
38 + 9x + [4(-12 + x) + 9] = 0
38 + 9x + [(-12 * 4 + x * 4) + 9] = 0
38 + 9x + [(-48 + 4x) + 9] = 0

Reorder the terms:
38 + 9x + [-48 + 9 + 4x] = 0

Combine like terms: -48 + 9 = -39
38 + 9x + [-39 + 4x] = 0

Remove brackets around [-39 + 4x]
38 + 9x + -39 + 4x = 0

Reorder the terms:
38 + -39 + 9x + 4x = 0

Combine like terms: 38 + -39 = -1
-1 + 9x + 4x = 0

Combine like terms: 9x + 4x = 13x
-1 + 13x = 0

Solving
-1 + 13x = 0

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + 1 + 13x = 0 + 1

Combine like terms: -1 + 1 = 0
0 + 13x = 0 + 1
13x = 0 + 1

Combine like terms: 0 + 1 = 1
13x = 1

Divide each side by '13'.
x = 0.07692307692

Simplifying
x = 0.07692307692

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