8(x+5)-7(x-4)=3x+4

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


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

Reorder the terms:
8(5 + x) + -7(x + -4) = 3x + 4
(5 * 8 + x * 8) + -7(x + -4) = 3x + 4
(40 + 8x) + -7(x + -4) = 3x + 4

Reorder the terms:
40 + 8x + -7(-4 + x) = 3x + 4
40 + 8x + (-4 * -7 + x * -7) = 3x + 4
40 + 8x + (28 + -7x) = 3x + 4

Reorder the terms:
40 + 28 + 8x + -7x = 3x + 4

Combine like terms: 40 + 28 = 68
68 + 8x + -7x = 3x + 4

Combine like terms: 8x + -7x = 1x
68 + 1x = 3x + 4

Reorder the terms:
68 + 1x = 4 + 3x

Solving
68 + 1x = 4 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
68 + 1x + -3x = 4 + 3x + -3x

Combine like terms: 1x + -3x = -2x
68 + -2x = 4 + 3x + -3x

Combine like terms: 3x + -3x = 0
68 + -2x = 4 + 0
68 + -2x = 4

Add '-68' to each side of the equation.
68 + -68 + -2x = 4 + -68

Combine like terms: 68 + -68 = 0
0 + -2x = 4 + -68
-2x = 4 + -68

Combine like terms: 4 + -68 = -64
-2x = -64

Divide each side by '-2'.
x = 32

Simplifying
x = 32

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