8(x+5)+3(x+5)=7x-7

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Solution for 8(x+5)+3(x+5)=7x-7 equation:


Simplifying
8(x + 5) + 3(x + 5) = 7x + -7

Reorder the terms:
8(5 + x) + 3(x + 5) = 7x + -7
(5 * 8 + x * 8) + 3(x + 5) = 7x + -7
(40 + 8x) + 3(x + 5) = 7x + -7

Reorder the terms:
40 + 8x + 3(5 + x) = 7x + -7
40 + 8x + (5 * 3 + x * 3) = 7x + -7
40 + 8x + (15 + 3x) = 7x + -7

Reorder the terms:
40 + 15 + 8x + 3x = 7x + -7

Combine like terms: 40 + 15 = 55
55 + 8x + 3x = 7x + -7

Combine like terms: 8x + 3x = 11x
55 + 11x = 7x + -7

Reorder the terms:
55 + 11x = -7 + 7x

Solving
55 + 11x = -7 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
55 + 11x + -7x = -7 + 7x + -7x

Combine like terms: 11x + -7x = 4x
55 + 4x = -7 + 7x + -7x

Combine like terms: 7x + -7x = 0
55 + 4x = -7 + 0
55 + 4x = -7

Add '-55' to each side of the equation.
55 + -55 + 4x = -7 + -55

Combine like terms: 55 + -55 = 0
0 + 4x = -7 + -55
4x = -7 + -55

Combine like terms: -7 + -55 = -62
4x = -62

Divide each side by '4'.
x = -15.5

Simplifying
x = -15.5

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