7x+4(x-1)=10x-2(x-9)+1

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Solution for 7x+4(x-1)=10x-2(x-9)+1 equation:


Simplifying
7x + 4(x + -1) = 10x + -2(x + -9) + 1

Reorder the terms:
7x + 4(-1 + x) = 10x + -2(x + -9) + 1
7x + (-1 * 4 + x * 4) = 10x + -2(x + -9) + 1
7x + (-4 + 4x) = 10x + -2(x + -9) + 1

Reorder the terms:
-4 + 7x + 4x = 10x + -2(x + -9) + 1

Combine like terms: 7x + 4x = 11x
-4 + 11x = 10x + -2(x + -9) + 1

Reorder the terms:
-4 + 11x = 10x + -2(-9 + x) + 1
-4 + 11x = 10x + (-9 * -2 + x * -2) + 1
-4 + 11x = 10x + (18 + -2x) + 1

Reorder the terms:
-4 + 11x = 18 + 1 + 10x + -2x

Combine like terms: 18 + 1 = 19
-4 + 11x = 19 + 10x + -2x

Combine like terms: 10x + -2x = 8x
-4 + 11x = 19 + 8x

Solving
-4 + 11x = 19 + 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.
-4 + 11x + -8x = 19 + 8x + -8x

Combine like terms: 11x + -8x = 3x
-4 + 3x = 19 + 8x + -8x

Combine like terms: 8x + -8x = 0
-4 + 3x = 19 + 0
-4 + 3x = 19

Add '4' to each side of the equation.
-4 + 4 + 3x = 19 + 4

Combine like terms: -4 + 4 = 0
0 + 3x = 19 + 4
3x = 19 + 4

Combine like terms: 19 + 4 = 23
3x = 23

Divide each side by '3'.
x = 7.666666667

Simplifying
x = 7.666666667

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