7(x+8)-(x-3)=77

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Solution for 7(x+8)-(x-3)=77 equation:


Simplifying
7(x + 8) + -1(x + -3) = 77

Reorder the terms:
7(8 + x) + -1(x + -3) = 77
(8 * 7 + x * 7) + -1(x + -3) = 77
(56 + 7x) + -1(x + -3) = 77

Reorder the terms:
56 + 7x + -1(-3 + x) = 77
56 + 7x + (-3 * -1 + x * -1) = 77
56 + 7x + (3 + -1x) = 77

Reorder the terms:
56 + 3 + 7x + -1x = 77

Combine like terms: 56 + 3 = 59
59 + 7x + -1x = 77

Combine like terms: 7x + -1x = 6x
59 + 6x = 77

Solving
59 + 6x = 77

Solving for variable 'x'.

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

Add '-59' to each side of the equation.
59 + -59 + 6x = 77 + -59

Combine like terms: 59 + -59 = 0
0 + 6x = 77 + -59
6x = 77 + -59

Combine like terms: 77 + -59 = 18
6x = 18

Divide each side by '6'.
x = 3

Simplifying
x = 3

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