7x-(4x+3)=4(3x+15)

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Solution for 7x-(4x+3)=4(3x+15) equation:


Simplifying
7x + -1(4x + 3) = 4(3x + 15)

Reorder the terms:
7x + -1(3 + 4x) = 4(3x + 15)
7x + (3 * -1 + 4x * -1) = 4(3x + 15)
7x + (-3 + -4x) = 4(3x + 15)

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

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

Reorder the terms:
-3 + 3x = 4(15 + 3x)
-3 + 3x = (15 * 4 + 3x * 4)
-3 + 3x = (60 + 12x)

Solving
-3 + 3x = 60 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
-3 + 3x + -12x = 60 + 12x + -12x

Combine like terms: 3x + -12x = -9x
-3 + -9x = 60 + 12x + -12x

Combine like terms: 12x + -12x = 0
-3 + -9x = 60 + 0
-3 + -9x = 60

Add '3' to each side of the equation.
-3 + 3 + -9x = 60 + 3

Combine like terms: -3 + 3 = 0
0 + -9x = 60 + 3
-9x = 60 + 3

Combine like terms: 60 + 3 = 63
-9x = 63

Divide each side by '-9'.
x = -7

Simplifying
x = -7

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