9(x+7)-(8x+4)=-9

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Solution for 9(x+7)-(8x+4)=-9 equation:


Simplifying
9(x + 7) + -1(8x + 4) = -9

Reorder the terms:
9(7 + x) + -1(8x + 4) = -9
(7 * 9 + x * 9) + -1(8x + 4) = -9
(63 + 9x) + -1(8x + 4) = -9

Reorder the terms:
63 + 9x + -1(4 + 8x) = -9
63 + 9x + (4 * -1 + 8x * -1) = -9
63 + 9x + (-4 + -8x) = -9

Reorder the terms:
63 + -4 + 9x + -8x = -9

Combine like terms: 63 + -4 = 59
59 + 9x + -8x = -9

Combine like terms: 9x + -8x = 1x
59 + 1x = -9

Solving
59 + 1x = -9

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 + 1x = -9 + -59

Combine like terms: 59 + -59 = 0
0 + 1x = -9 + -59
1x = -9 + -59

Combine like terms: -9 + -59 = -68
1x = -68

Divide each side by '1'.
x = -68

Simplifying
x = -68

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