x+x-3+7(x-3)+2*7(x-3)=74

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Solution for x+x-3+7(x-3)+2*7(x-3)=74 equation:


Simplifying
x + x + -3 + 7(x + -3) + 2 * 7(x + -3) = 74

Reorder the terms:
x + x + -3 + 7(-3 + x) + 2 * 7(x + -3) = 74
x + x + -3 + (-3 * 7 + x * 7) + 2 * 7(x + -3) = 74
x + x + -3 + (-21 + 7x) + 2 * 7(x + -3) = 74

Reorder the terms:
x + x + -3 + -21 + 7x + 2 * 7(-3 + x) = 74

Multiply 2 * 7
x + x + -3 + -21 + 7x + 14(-3 + x) = 74
x + x + -3 + -21 + 7x + (-3 * 14 + x * 14) = 74
x + x + -3 + -21 + 7x + (-42 + 14x) = 74

Reorder the terms:
-3 + -21 + -42 + x + x + 7x + 14x = 74

Combine like terms: -3 + -21 = -24
-24 + -42 + x + x + 7x + 14x = 74

Combine like terms: -24 + -42 = -66
-66 + x + x + 7x + 14x = 74

Combine like terms: x + x = 2x
-66 + 2x + 7x + 14x = 74

Combine like terms: 2x + 7x = 9x
-66 + 9x + 14x = 74

Combine like terms: 9x + 14x = 23x
-66 + 23x = 74

Solving
-66 + 23x = 74

Solving for variable 'x'.

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

Add '66' to each side of the equation.
-66 + 66 + 23x = 74 + 66

Combine like terms: -66 + 66 = 0
0 + 23x = 74 + 66
23x = 74 + 66

Combine like terms: 74 + 66 = 140
23x = 140

Divide each side by '23'.
x = 6.086956522

Simplifying
x = 6.086956522

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