9(x-2)-(8x+7)=4

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Solution for 9(x-2)-(8x+7)=4 equation:


Simplifying
9(x + -2) + -1(8x + 7) = 4

Reorder the terms:
9(-2 + x) + -1(8x + 7) = 4
(-2 * 9 + x * 9) + -1(8x + 7) = 4
(-18 + 9x) + -1(8x + 7) = 4

Reorder the terms:
-18 + 9x + -1(7 + 8x) = 4
-18 + 9x + (7 * -1 + 8x * -1) = 4
-18 + 9x + (-7 + -8x) = 4

Reorder the terms:
-18 + -7 + 9x + -8x = 4

Combine like terms: -18 + -7 = -25
-25 + 9x + -8x = 4

Combine like terms: 9x + -8x = 1x
-25 + 1x = 4

Solving
-25 + 1x = 4

Solving for variable 'x'.

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

Add '25' to each side of the equation.
-25 + 25 + 1x = 4 + 25

Combine like terms: -25 + 25 = 0
0 + 1x = 4 + 25
1x = 4 + 25

Combine like terms: 4 + 25 = 29
1x = 29

Divide each side by '1'.
x = 29

Simplifying
x = 29

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