2x+7(3x-10)=45

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Solution for 2x+7(3x-10)=45 equation:


Simplifying
2x + 7(3x + -10) = 45

Reorder the terms:
2x + 7(-10 + 3x) = 45
2x + (-10 * 7 + 3x * 7) = 45
2x + (-70 + 21x) = 45

Reorder the terms:
-70 + 2x + 21x = 45

Combine like terms: 2x + 21x = 23x
-70 + 23x = 45

Solving
-70 + 23x = 45

Solving for variable 'x'.

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

Add '70' to each side of the equation.
-70 + 70 + 23x = 45 + 70

Combine like terms: -70 + 70 = 0
0 + 23x = 45 + 70
23x = 45 + 70

Combine like terms: 45 + 70 = 115
23x = 115

Divide each side by '23'.
x = 5

Simplifying
x = 5

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