9(3x-4)-7(2x-9)=300

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Solution for 9(3x-4)-7(2x-9)=300 equation:


Simplifying
9(3x + -4) + -7(2x + -9) = 300

Reorder the terms:
9(-4 + 3x) + -7(2x + -9) = 300
(-4 * 9 + 3x * 9) + -7(2x + -9) = 300
(-36 + 27x) + -7(2x + -9) = 300

Reorder the terms:
-36 + 27x + -7(-9 + 2x) = 300
-36 + 27x + (-9 * -7 + 2x * -7) = 300
-36 + 27x + (63 + -14x) = 300

Reorder the terms:
-36 + 63 + 27x + -14x = 300

Combine like terms: -36 + 63 = 27
27 + 27x + -14x = 300

Combine like terms: 27x + -14x = 13x
27 + 13x = 300

Solving
27 + 13x = 300

Solving for variable 'x'.

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

Add '-27' to each side of the equation.
27 + -27 + 13x = 300 + -27

Combine like terms: 27 + -27 = 0
0 + 13x = 300 + -27
13x = 300 + -27

Combine like terms: 300 + -27 = 273
13x = 273

Divide each side by '13'.
x = 21

Simplifying
x = 21

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