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

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


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

Combine like terms: 4 + -3 = 1
1 = 7 + -2(2a + 5)

Reorder the terms:
1 = 7 + -2(5 + 2a)
1 = 7 + (5 * -2 + 2a * -2)
1 = 7 + (-10 + -4a)

Combine like terms: 7 + -10 = -3
1 = -3 + -4a

Solving
1 = -3 + -4a

Solving for variable 'a'.

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

Add '4a' to each side of the equation.
1 + 4a = -3 + -4a + 4a

Combine like terms: -4a + 4a = 0
1 + 4a = -3 + 0
1 + 4a = -3

Add '-1' to each side of the equation.
1 + -1 + 4a = -3 + -1

Combine like terms: 1 + -1 = 0
0 + 4a = -3 + -1
4a = -3 + -1

Combine like terms: -3 + -1 = -4
4a = -4

Divide each side by '4'.
a = -1

Simplifying
a = -1

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