10(3x-4)-(-5x+9)=140

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Solution for 10(3x-4)-(-5x+9)=140 equation:


Simplifying
10(3x + -4) + -1(-5x + 9) = 140

Reorder the terms:
10(-4 + 3x) + -1(-5x + 9) = 140
(-4 * 10 + 3x * 10) + -1(-5x + 9) = 140
(-40 + 30x) + -1(-5x + 9) = 140

Reorder the terms:
-40 + 30x + -1(9 + -5x) = 140
-40 + 30x + (9 * -1 + -5x * -1) = 140
-40 + 30x + (-9 + 5x) = 140

Reorder the terms:
-40 + -9 + 30x + 5x = 140

Combine like terms: -40 + -9 = -49
-49 + 30x + 5x = 140

Combine like terms: 30x + 5x = 35x
-49 + 35x = 140

Solving
-49 + 35x = 140

Solving for variable 'x'.

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

Add '49' to each side of the equation.
-49 + 49 + 35x = 140 + 49

Combine like terms: -49 + 49 = 0
0 + 35x = 140 + 49
35x = 140 + 49

Combine like terms: 140 + 49 = 189
35x = 189

Divide each side by '35'.
x = 5.4

Simplifying
x = 5.4

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