3(4x+5)-2(4x-3)=x+3

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Solution for 3(4x+5)-2(4x-3)=x+3 equation:


Simplifying
3(4x + 5) + -2(4x + -3) = x + 3

Reorder the terms:
3(5 + 4x) + -2(4x + -3) = x + 3
(5 * 3 + 4x * 3) + -2(4x + -3) = x + 3
(15 + 12x) + -2(4x + -3) = x + 3

Reorder the terms:
15 + 12x + -2(-3 + 4x) = x + 3
15 + 12x + (-3 * -2 + 4x * -2) = x + 3
15 + 12x + (6 + -8x) = x + 3

Reorder the terms:
15 + 6 + 12x + -8x = x + 3

Combine like terms: 15 + 6 = 21
21 + 12x + -8x = x + 3

Combine like terms: 12x + -8x = 4x
21 + 4x = x + 3

Reorder the terms:
21 + 4x = 3 + x

Solving
21 + 4x = 3 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
21 + 4x + -1x = 3 + x + -1x

Combine like terms: 4x + -1x = 3x
21 + 3x = 3 + x + -1x

Combine like terms: x + -1x = 0
21 + 3x = 3 + 0
21 + 3x = 3

Add '-21' to each side of the equation.
21 + -21 + 3x = 3 + -21

Combine like terms: 21 + -21 = 0
0 + 3x = 3 + -21
3x = 3 + -21

Combine like terms: 3 + -21 = -18
3x = -18

Divide each side by '3'.
x = -6

Simplifying
x = -6

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