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

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


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

Reorder the terms:
7(4 + 3x) = 8(x + -3)
(4 * 7 + 3x * 7) = 8(x + -3)
(28 + 21x) = 8(x + -3)

Reorder the terms:
28 + 21x = 8(-3 + x)
28 + 21x = (-3 * 8 + x * 8)
28 + 21x = (-24 + 8x)

Solving
28 + 21x = -24 + 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.
28 + 21x + -8x = -24 + 8x + -8x

Combine like terms: 21x + -8x = 13x
28 + 13x = -24 + 8x + -8x

Combine like terms: 8x + -8x = 0
28 + 13x = -24 + 0
28 + 13x = -24

Add '-28' to each side of the equation.
28 + -28 + 13x = -24 + -28

Combine like terms: 28 + -28 = 0
0 + 13x = -24 + -28
13x = -24 + -28

Combine like terms: -24 + -28 = -52
13x = -52

Divide each side by '13'.
x = -4

Simplifying
x = -4

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