3(3-2x)-4(5-4x)=7

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Solution for 3(3-2x)-4(5-4x)=7 equation: 


Simplifying
3(3 + -2x) + -4(5 + -4x) = 7
(3 * 3 + -2x * 3) + -4(5 + -4x) = 7
(9 + -6x) + -4(5 + -4x) = 7
9 + -6x + (5 * -4 + -4x * -4) = 7
9 + -6x + (-20 + 16x) = 7

Reorder the terms:
9 + -20 + -6x + 16x = 7

Combine like terms: 9 + -20 = -11
-11 + -6x + 16x = 7

Combine like terms: -6x + 16x = 10x
-11 + 10x = 7

Solving
-11 + 10x = 7

Solving for variable 'x'.

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

Add '11' to each side of the equation.
-11 + 11 + 10x = 7 + 11

Combine like terms: -11 + 11 = 0
0 + 10x = 7 + 11
10x = 7 + 11

Combine like terms: 7 + 11 = 18
10x = 18

Divide each side by '10'.
x = 1.8

Simplifying
x = 1.8

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