4(5x+7)-6(x-1)=10x+21

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Solution for 4(5x+7)-6(x-1)=10x+21 equation:


Simplifying
4(5x + 7) + -6(x + -1) = 10x + 21

Reorder the terms:
4(7 + 5x) + -6(x + -1) = 10x + 21
(7 * 4 + 5x * 4) + -6(x + -1) = 10x + 21
(28 + 20x) + -6(x + -1) = 10x + 21

Reorder the terms:
28 + 20x + -6(-1 + x) = 10x + 21
28 + 20x + (-1 * -6 + x * -6) = 10x + 21
28 + 20x + (6 + -6x) = 10x + 21

Reorder the terms:
28 + 6 + 20x + -6x = 10x + 21

Combine like terms: 28 + 6 = 34
34 + 20x + -6x = 10x + 21

Combine like terms: 20x + -6x = 14x
34 + 14x = 10x + 21

Reorder the terms:
34 + 14x = 21 + 10x

Solving
34 + 14x = 21 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
34 + 14x + -10x = 21 + 10x + -10x

Combine like terms: 14x + -10x = 4x
34 + 4x = 21 + 10x + -10x

Combine like terms: 10x + -10x = 0
34 + 4x = 21 + 0
34 + 4x = 21

Add '-34' to each side of the equation.
34 + -34 + 4x = 21 + -34

Combine like terms: 34 + -34 = 0
0 + 4x = 21 + -34
4x = 21 + -34

Combine like terms: 21 + -34 = -13
4x = -13

Divide each side by '4'.
x = -3.25

Simplifying
x = -3.25

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