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

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


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

Reorder the terms:
7(4 + 3x) = 8(5x + 7)
(4 * 7 + 3x * 7) = 8(5x + 7)
(28 + 21x) = 8(5x + 7)

Reorder the terms:
28 + 21x = 8(7 + 5x)
28 + 21x = (7 * 8 + 5x * 8)
28 + 21x = (56 + 40x)

Solving
28 + 21x = 56 + 40x

Solving for variable 'x'.

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

Add '-40x' to each side of the equation.
28 + 21x + -40x = 56 + 40x + -40x

Combine like terms: 21x + -40x = -19x
28 + -19x = 56 + 40x + -40x

Combine like terms: 40x + -40x = 0
28 + -19x = 56 + 0
28 + -19x = 56

Add '-28' to each side of the equation.
28 + -28 + -19x = 56 + -28

Combine like terms: 28 + -28 = 0
0 + -19x = 56 + -28
-19x = 56 + -28

Combine like terms: 56 + -28 = 28
-19x = 28

Divide each side by '-19'.
x = -1.473684211

Simplifying
x = -1.473684211

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