3(2x-1)-(7x+9)=8(x+8)-13

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Solution for 3(2x-1)-(7x+9)=8(x+8)-13 equation:


Simplifying
3(2x + -1) + -1(7x + 9) = 8(x + 8) + -13

Reorder the terms:
3(-1 + 2x) + -1(7x + 9) = 8(x + 8) + -13
(-1 * 3 + 2x * 3) + -1(7x + 9) = 8(x + 8) + -13
(-3 + 6x) + -1(7x + 9) = 8(x + 8) + -13

Reorder the terms:
-3 + 6x + -1(9 + 7x) = 8(x + 8) + -13
-3 + 6x + (9 * -1 + 7x * -1) = 8(x + 8) + -13
-3 + 6x + (-9 + -7x) = 8(x + 8) + -13

Reorder the terms:
-3 + -9 + 6x + -7x = 8(x + 8) + -13

Combine like terms: -3 + -9 = -12
-12 + 6x + -7x = 8(x + 8) + -13

Combine like terms: 6x + -7x = -1x
-12 + -1x = 8(x + 8) + -13

Reorder the terms:
-12 + -1x = 8(8 + x) + -13
-12 + -1x = (8 * 8 + x * 8) + -13
-12 + -1x = (64 + 8x) + -13

Reorder the terms:
-12 + -1x = 64 + -13 + 8x

Combine like terms: 64 + -13 = 51
-12 + -1x = 51 + 8x

Solving
-12 + -1x = 51 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
-12 + -1x + -8x = 51 + 8x + -8x

Combine like terms: -1x + -8x = -9x
-12 + -9x = 51 + 8x + -8x

Combine like terms: 8x + -8x = 0
-12 + -9x = 51 + 0
-12 + -9x = 51

Add '12' to each side of the equation.
-12 + 12 + -9x = 51 + 12

Combine like terms: -12 + 12 = 0
0 + -9x = 51 + 12
-9x = 51 + 12

Combine like terms: 51 + 12 = 63
-9x = 63

Divide each side by '-9'.
x = -7

Simplifying
x = -7

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