5(3x-2)-7(x+1)=15

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Solution for 5(3x-2)-7(x+1)=15 equation:


Simplifying
5(3x + -2) + -7(x + 1) = 15

Reorder the terms:
5(-2 + 3x) + -7(x + 1) = 15
(-2 * 5 + 3x * 5) + -7(x + 1) = 15
(-10 + 15x) + -7(x + 1) = 15

Reorder the terms:
-10 + 15x + -7(1 + x) = 15
-10 + 15x + (1 * -7 + x * -7) = 15
-10 + 15x + (-7 + -7x) = 15

Reorder the terms:
-10 + -7 + 15x + -7x = 15

Combine like terms: -10 + -7 = -17
-17 + 15x + -7x = 15

Combine like terms: 15x + -7x = 8x
-17 + 8x = 15

Solving
-17 + 8x = 15

Solving for variable 'x'.

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

Add '17' to each side of the equation.
-17 + 17 + 8x = 15 + 17

Combine like terms: -17 + 17 = 0
0 + 8x = 15 + 17
8x = 15 + 17

Combine like terms: 15 + 17 = 32
8x = 32

Divide each side by '8'.
x = 4

Simplifying
x = 4

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