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

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


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

Reorder the terms:
3(-5 + x) + 4(x + 2) = 7
(-5 * 3 + x * 3) + 4(x + 2) = 7
(-15 + 3x) + 4(x + 2) = 7

Reorder the terms:
-15 + 3x + 4(2 + x) = 7
-15 + 3x + (2 * 4 + x * 4) = 7
-15 + 3x + (8 + 4x) = 7

Reorder the terms:
-15 + 8 + 3x + 4x = 7

Combine like terms: -15 + 8 = -7
-7 + 3x + 4x = 7

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

Solving
-7 + 7x = 7

Solving for variable 'x'.

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

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

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

Combine like terms: 7 + 7 = 14
7x = 14

Divide each side by '7'.
x = 2

Simplifying
x = 2

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