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

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Solution for 4+3(x-1)=7x-15 equation:


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

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

Combine like terms: 4 + -3 = 1
1 + 3x = 7x + -15

Reorder the terms:
1 + 3x = -15 + 7x

Solving
1 + 3x = -15 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
1 + 3x + -7x = -15 + 7x + -7x

Combine like terms: 3x + -7x = -4x
1 + -4x = -15 + 7x + -7x

Combine like terms: 7x + -7x = 0
1 + -4x = -15 + 0
1 + -4x = -15

Add '-1' to each side of the equation.
1 + -1 + -4x = -15 + -1

Combine like terms: 1 + -1 = 0
0 + -4x = -15 + -1
-4x = -15 + -1

Combine like terms: -15 + -1 = -16
-4x = -16

Divide each side by '-4'.
x = 4

Simplifying
x = 4

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