7x+3+4=8x+9

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Solution for 7x+3+4=8x+9 equation:


Simplifying
7x + 3 + 4 = 8x + 9

Reorder the terms:
3 + 4 + 7x = 8x + 9

Combine like terms: 3 + 4 = 7
7 + 7x = 8x + 9

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

Solving
7 + 7x = 9 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
7 + 7x + -8x = 9 + 8x + -8x

Combine like terms: 7x + -8x = -1x
7 + -1x = 9 + 8x + -8x

Combine like terms: 8x + -8x = 0
7 + -1x = 9 + 0
7 + -1x = 9

Add '-7' to each side of the equation.
7 + -7 + -1x = 9 + -7

Combine like terms: 7 + -7 = 0
0 + -1x = 9 + -7
-1x = 9 + -7

Combine like terms: 9 + -7 = 2
-1x = 2

Divide each side by '-1'.
x = -2

Simplifying
x = -2

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