7(x-3)+8x=5(3x+5)-13

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Solution for 7(x-3)+8x=5(3x+5)-13 equation:


Simplifying
7(x + -3) + 8x = 5(3x + 5) + -13

Reorder the terms:
7(-3 + x) + 8x = 5(3x + 5) + -13
(-3 * 7 + x * 7) + 8x = 5(3x + 5) + -13
(-21 + 7x) + 8x = 5(3x + 5) + -13

Combine like terms: 7x + 8x = 15x
-21 + 15x = 5(3x + 5) + -13

Reorder the terms:
-21 + 15x = 5(5 + 3x) + -13
-21 + 15x = (5 * 5 + 3x * 5) + -13
-21 + 15x = (25 + 15x) + -13

Reorder the terms:
-21 + 15x = 25 + -13 + 15x

Combine like terms: 25 + -13 = 12
-21 + 15x = 12 + 15x

Add '-15x' to each side of the equation.
-21 + 15x + -15x = 12 + 15x + -15x

Combine like terms: 15x + -15x = 0
-21 + 0 = 12 + 15x + -15x
-21 = 12 + 15x + -15x

Combine like terms: 15x + -15x = 0
-21 = 12 + 0
-21 = 12

Solving
-21 = 12

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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