7(3x-4)=4(x+5)-15

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Solution for 7(3x-4)=4(x+5)-15 equation:


Simplifying
7(3x + -4) = 4(x + 5) + -15

Reorder the terms:
7(-4 + 3x) = 4(x + 5) + -15
(-4 * 7 + 3x * 7) = 4(x + 5) + -15
(-28 + 21x) = 4(x + 5) + -15

Reorder the terms:
-28 + 21x = 4(5 + x) + -15
-28 + 21x = (5 * 4 + x * 4) + -15
-28 + 21x = (20 + 4x) + -15

Reorder the terms:
-28 + 21x = 20 + -15 + 4x

Combine like terms: 20 + -15 = 5
-28 + 21x = 5 + 4x

Solving
-28 + 21x = 5 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
-28 + 21x + -4x = 5 + 4x + -4x

Combine like terms: 21x + -4x = 17x
-28 + 17x = 5 + 4x + -4x

Combine like terms: 4x + -4x = 0
-28 + 17x = 5 + 0
-28 + 17x = 5

Add '28' to each side of the equation.
-28 + 28 + 17x = 5 + 28

Combine like terms: -28 + 28 = 0
0 + 17x = 5 + 28
17x = 5 + 28

Combine like terms: 5 + 28 = 33
17x = 33

Divide each side by '17'.
x = 1.941176471

Simplifying
x = 1.941176471

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