5x+9-8(x+1)=4x+7

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Solution for 5x+9-8(x+1)=4x+7 equation:


Simplifying
5x + 9 + -8(x + 1) = 4x + 7

Reorder the terms:
5x + 9 + -8(1 + x) = 4x + 7
5x + 9 + (1 * -8 + x * -8) = 4x + 7
5x + 9 + (-8 + -8x) = 4x + 7

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

Combine like terms: 9 + -8 = 1
1 + 5x + -8x = 4x + 7

Combine like terms: 5x + -8x = -3x
1 + -3x = 4x + 7

Reorder the terms:
1 + -3x = 7 + 4x

Solving
1 + -3x = 7 + 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.
1 + -3x + -4x = 7 + 4x + -4x

Combine like terms: -3x + -4x = -7x
1 + -7x = 7 + 4x + -4x

Combine like terms: 4x + -4x = 0
1 + -7x = 7 + 0
1 + -7x = 7

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

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

Combine like terms: 7 + -1 = 6
-7x = 6

Divide each side by '-7'.
x = -0.8571428571

Simplifying
x = -0.8571428571

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