(4x+7)+(7x-6)=78

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Solution for (4x+7)+(7x-6)=78 equation:


Simplifying
(4x + 7) + (7x + -6) = 78

Reorder the terms:
(7 + 4x) + (7x + -6) = 78

Remove parenthesis around (7 + 4x)
7 + 4x + (7x + -6) = 78

Reorder the terms:
7 + 4x + (-6 + 7x) = 78

Remove parenthesis around (-6 + 7x)
7 + 4x + -6 + 7x = 78

Reorder the terms:
7 + -6 + 4x + 7x = 78

Combine like terms: 7 + -6 = 1
1 + 4x + 7x = 78

Combine like terms: 4x + 7x = 11x
1 + 11x = 78

Solving
1 + 11x = 78

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 + 11x = 78 + -1

Combine like terms: 1 + -1 = 0
0 + 11x = 78 + -1
11x = 78 + -1

Combine like terms: 78 + -1 = 77
11x = 77

Divide each side by '11'.
x = 7

Simplifying
x = 7

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