7+5x+8=4x+9

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Solution for 7+5x+8=4x+9 equation:


Simplifying
7 + 5x + 8 = 4x + 9

Reorder the terms:
7 + 8 + 5x = 4x + 9

Combine like terms: 7 + 8 = 15
15 + 5x = 4x + 9

Reorder the terms:
15 + 5x = 9 + 4x

Solving
15 + 5x = 9 + 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.
15 + 5x + -4x = 9 + 4x + -4x

Combine like terms: 5x + -4x = 1x
15 + 1x = 9 + 4x + -4x

Combine like terms: 4x + -4x = 0
15 + 1x = 9 + 0
15 + 1x = 9

Add '-15' to each side of the equation.
15 + -15 + 1x = 9 + -15

Combine like terms: 15 + -15 = 0
0 + 1x = 9 + -15
1x = 9 + -15

Combine like terms: 9 + -15 = -6
1x = -6

Divide each side by '1'.
x = -6

Simplifying
x = -6

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