Solve each equation for \( x \). Graph your solution on a number line. a. \( \quad 10-2(2 x+1)=4(x-2) \) b. \( \quad 5-(2 x-3)=-8+2 x \)
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Let's solve each equation step by step! a. \( 10-2(2 x+1)=4(x-2) \) First, distribute the -2 on the left side: \[ 10 - 4x - 2 = 4x - 8 \] Combine like terms: \[ 8 - 4x = 4x - 8 \] Add \( 4x \) to both sides: \[ 8 = 8x - 8 \] Now, add 8 to both sides: \[ 16 = 8x \] Divide by 8: \[ x = 2 \] Graph this on a number line as a point indicating \( x = 2 \). b. \( 5-(2 x-3)=-8+2 x \) First, simplify the left side: \[ 5 - 2x + 3 = -8 + 2x \] Combine like terms on the left side: \[ 8 - 2x = -8 + 2x \] Now, add \( 2x \) to both sides: \[ 8 = 4x - 8 \] Add 8 to both sides: \[ 16 = 4x \] Divide by 4: \[ x = 4 \] Graph this on a number line as a point indicating \( x = 4 \). And there you have it! Solutions are \( x = 2 \) for part a and \( x = 4 \) for part b. Happy graphing!