5(x+1)+6(x+2)+7(x+3)=8(x+4)-4

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Solution for 5(x+1)+6(x+2)+7(x+3)=8(x+4)-4 equation:


Simplifying
5(x + 1) + 6(x + 2) + 7(x + 3) = 8(x + 4) + -4

Reorder the terms:
5(1 + x) + 6(x + 2) + 7(x + 3) = 8(x + 4) + -4
(1 * 5 + x * 5) + 6(x + 2) + 7(x + 3) = 8(x + 4) + -4
(5 + 5x) + 6(x + 2) + 7(x + 3) = 8(x + 4) + -4

Reorder the terms:
5 + 5x + 6(2 + x) + 7(x + 3) = 8(x + 4) + -4
5 + 5x + (2 * 6 + x * 6) + 7(x + 3) = 8(x + 4) + -4
5 + 5x + (12 + 6x) + 7(x + 3) = 8(x + 4) + -4

Reorder the terms:
5 + 5x + 12 + 6x + 7(3 + x) = 8(x + 4) + -4
5 + 5x + 12 + 6x + (3 * 7 + x * 7) = 8(x + 4) + -4
5 + 5x + 12 + 6x + (21 + 7x) = 8(x + 4) + -4

Reorder the terms:
5 + 12 + 21 + 5x + 6x + 7x = 8(x + 4) + -4

Combine like terms: 5 + 12 = 17
17 + 21 + 5x + 6x + 7x = 8(x + 4) + -4

Combine like terms: 17 + 21 = 38
38 + 5x + 6x + 7x = 8(x + 4) + -4

Combine like terms: 5x + 6x = 11x
38 + 11x + 7x = 8(x + 4) + -4

Combine like terms: 11x + 7x = 18x
38 + 18x = 8(x + 4) + -4

Reorder the terms:
38 + 18x = 8(4 + x) + -4
38 + 18x = (4 * 8 + x * 8) + -4
38 + 18x = (32 + 8x) + -4

Reorder the terms:
38 + 18x = 32 + -4 + 8x

Combine like terms: 32 + -4 = 28
38 + 18x = 28 + 8x

Solving
38 + 18x = 28 + 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.
38 + 18x + -8x = 28 + 8x + -8x

Combine like terms: 18x + -8x = 10x
38 + 10x = 28 + 8x + -8x

Combine like terms: 8x + -8x = 0
38 + 10x = 28 + 0
38 + 10x = 28

Add '-38' to each side of the equation.
38 + -38 + 10x = 28 + -38

Combine like terms: 38 + -38 = 0
0 + 10x = 28 + -38
10x = 28 + -38

Combine like terms: 28 + -38 = -10
10x = -10

Divide each side by '10'.
x = -1

Simplifying
x = -1

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