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

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


Simplifying
3(x + -7) + 4(x + 5) = 5x + 5

Reorder the terms:
3(-7 + x) + 4(x + 5) = 5x + 5
(-7 * 3 + x * 3) + 4(x + 5) = 5x + 5
(-21 + 3x) + 4(x + 5) = 5x + 5

Reorder the terms:
-21 + 3x + 4(5 + x) = 5x + 5
-21 + 3x + (5 * 4 + x * 4) = 5x + 5
-21 + 3x + (20 + 4x) = 5x + 5

Reorder the terms:
-21 + 20 + 3x + 4x = 5x + 5

Combine like terms: -21 + 20 = -1
-1 + 3x + 4x = 5x + 5

Combine like terms: 3x + 4x = 7x
-1 + 7x = 5x + 5

Reorder the terms:
-1 + 7x = 5 + 5x

Solving
-1 + 7x = 5 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
-1 + 7x + -5x = 5 + 5x + -5x

Combine like terms: 7x + -5x = 2x
-1 + 2x = 5 + 5x + -5x

Combine like terms: 5x + -5x = 0
-1 + 2x = 5 + 0
-1 + 2x = 5

Add '1' to each side of the equation.
-1 + 1 + 2x = 5 + 1

Combine like terms: -1 + 1 = 0
0 + 2x = 5 + 1
2x = 5 + 1

Combine like terms: 5 + 1 = 6
2x = 6

Divide each side by '2'.
x = 3

Simplifying
x = 3

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